Home / 1,037,318.60-1,555,603.84-438,326.18

Finding the Fourth Proportional to 1,037,318.60, 1,555,603.84 and 438,326.18

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Solution

The fourth proportional to 1,037,318.60, 1,555,603.84 and 438,326.18 is: 657,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,318.60 : 1,555,603.84 = 438,326.18 : x
  2. Step 2: Convert to fraction form
    1,037,318.60/1,555,603.84 = 438,326.18/x
  3. Step 3: Cross multiply
    1,037,318.60x = 1,555,603.84 × 438,326.18
  4. Step 4: Simplify right side
    1,037,318.60x = 681,861,893,668.62
  5. Step 5: Solve for x
    x = 681,861,893,668.62/1,037,318.60
  6. Step 6: Final answer
    x = 657,331.21

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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.