Home / 1,472,331.39-2,209,678.02-762,562.41

Finding the Fourth Proportional to 1,472,331.39, 2,209,678.02 and 762,562.41

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Solution

The fourth proportional to 1,472,331.39, 2,209,678.02 and 762,562.41 is: 1,144,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,331.39 : 2,209,678.02 = 762,562.41 : x
  2. Step 2: Convert to fraction form
    1,472,331.39/2,209,678.02 = 762,562.41/x
  3. Step 3: Cross multiply
    1,472,331.39x = 2,209,678.02 × 762,562.41
  4. Step 4: Simplify right side
    1,472,331.39x = 1,685,017,396,255.23
  5. Step 5: Solve for x
    x = 1,685,017,396,255.23/1,472,331.39
  6. Step 6: Final answer
    x = 1,144,455.25

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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.