Home / 1,648,000.76-2,274,053.08-922,747.64

Finding the Fourth Proportional to 1,648,000.76, 2,274,053.08 and 922,747.64

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Solution

The fourth proportional to 1,648,000.76, 2,274,053.08 and 922,747.64 is: 1,273,286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,000.76 : 2,274,053.08 = 922,747.64 : x
  2. Step 2: Convert to fraction form
    1,648,000.76/2,274,053.08 = 922,747.64/x
  3. Step 3: Cross multiply
    1,648,000.76x = 2,274,053.08 × 922,747.64
  4. Step 4: Simplify right side
    1,648,000.76x = 2,098,377,112,804.73
  5. Step 5: Solve for x
    x = 2,098,377,112,804.73/1,648,000.76
  6. Step 6: Final answer
    x = 1,273,286.50

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.