Home / 1,155,654.93-1,733,718.81-397,397.88

Finding the Fourth Proportional to 1,155,654.93, 1,733,718.81 and 397,397.88

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Solution

The fourth proportional to 1,155,654.93, 1,733,718.81 and 397,397.88 is: 596,178.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,654.93 : 1,733,718.81 = 397,397.88 : x
  2. Step 2: Convert to fraction form
    1,155,654.93/1,733,718.81 = 397,397.88/x
  3. Step 3: Cross multiply
    1,155,654.93x = 1,733,718.81 × 397,397.88
  4. Step 4: Simplify right side
    1,155,654.93x = 688,976,179,610.12
  5. Step 5: Solve for x
    x = 688,976,179,610.12/1,155,654.93
  6. Step 6: Final answer
    x = 596,178.12

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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.