Home / 1,002,318.95-1,383,210.05-543,432.29

Finding the Fourth Proportional to 1,002,318.95, 1,383,210.05 and 543,432.29

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Solution

The fourth proportional to 1,002,318.95, 1,383,210.05 and 543,432.29 is: 749,941.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,318.95 : 1,383,210.05 = 543,432.29 : x
  2. Step 2: Convert to fraction form
    1,002,318.95/1,383,210.05 = 543,432.29/x
  3. Step 3: Cross multiply
    1,002,318.95x = 1,383,210.05 × 543,432.29
  4. Step 4: Simplify right side
    1,002,318.95x = 751,680,995,389.30
  5. Step 5: Solve for x
    x = 751,680,995,389.30/1,002,318.95
  6. Step 6: Final answer
    x = 749,941.92

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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.