Home / 1,107,200.70-1,660,801.05-547,328.70

Finding the Fourth Proportional to 1,107,200.70, 1,660,801.05 and 547,328.70

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Solution

The fourth proportional to 1,107,200.70, 1,660,801.05 and 547,328.70 is: 820,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,200.70 : 1,660,801.05 = 547,328.70 : x
  2. Step 2: Convert to fraction form
    1,107,200.70/1,660,801.05 = 547,328.70/x
  3. Step 3: Cross multiply
    1,107,200.70x = 1,660,801.05 × 547,328.70
  4. Step 4: Simplify right side
    1,107,200.70x = 909,004,079,655.14
  5. Step 5: Solve for x
    x = 909,004,079,655.14/1,107,200.70
  6. Step 6: Final answer
    x = 820,993.05

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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.