Home / 1,061,077.66-1,590,656.33-387,000.92

Finding the Fourth Proportional to 1,061,077.66, 1,590,656.33 and 387,000.92

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Solution

The fourth proportional to 1,061,077.66, 1,590,656.33 and 387,000.92 is: 580,151.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,077.66 : 1,590,656.33 = 387,000.92 : x
  2. Step 2: Convert to fraction form
    1,061,077.66/1,590,656.33 = 387,000.92/x
  3. Step 3: Cross multiply
    1,061,077.66x = 1,590,656.33 × 387,000.92
  4. Step 4: Simplify right side
    1,061,077.66x = 615,585,468,057.97
  5. Step 5: Solve for x
    x = 615,585,468,057.97/1,061,077.66
  6. Step 6: Final answer
    x = 580,151.19

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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.