Home / 1,155,478.88-1,732,770.48-397,177.76

Finding the Fourth Proportional to 1,155,478.88, 1,732,770.48 and 397,177.76

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Solution

The fourth proportional to 1,155,478.88, 1,732,770.48 and 397,177.76 is: 595,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,478.88 : 1,732,770.48 = 397,177.76 : x
  2. Step 2: Convert to fraction form
    1,155,478.88/1,732,770.48 = 397,177.76/x
  3. Step 3: Cross multiply
    1,155,478.88x = 1,732,770.48 × 397,177.76
  4. Step 4: Simplify right side
    1,155,478.88x = 688,217,897,840.53
  5. Step 5: Solve for x
    x = 688,217,897,840.53/1,155,478.88
  6. Step 6: Final answer
    x = 595,612.70

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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.