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Finding the Fourth Proportional to 1,125,432, 1,688,148 and 337,464

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Solution

The fourth proportional to 1,125,432, 1,688,148 and 337,464 is: 506,196

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,432 : 1,688,148 = 337,464 : x
  2. Step 2: Convert to fraction form
    1,125,432/1,688,148 = 337,464/x
  3. Step 3: Cross multiply
    1,125,432x = 1,688,148 × 337,464
  4. Step 4: Simplify right side
    1,125,432x = 569,689,176,672
  5. Step 5: Solve for x
    x = 569,689,176,672/1,125,432
  6. Step 6: Final answer
    x = 506,196

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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.