Home / 1,001,078.70-1,501,618.05-253,124.70

Finding the Fourth Proportional to 1,001,078.70, 1,501,618.05 and 253,124.70

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Solution

The fourth proportional to 1,001,078.70, 1,501,618.05 and 253,124.70 is: 379,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,078.70 : 1,501,618.05 = 253,124.70 : x
  2. Step 2: Convert to fraction form
    1,001,078.70/1,501,618.05 = 253,124.70/x
  3. Step 3: Cross multiply
    1,001,078.70x = 1,501,618.05 × 253,124.70
  4. Step 4: Simplify right side
    1,001,078.70x = 380,096,618,420.84
  5. Step 5: Solve for x
    x = 380,096,618,420.84/1,001,078.70
  6. Step 6: Final answer
    x = 379,687.05

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.