Home / 1,145,956.53-1,717,866.31-387,267.43

Finding the Fourth Proportional to 1,145,956.53, 1,717,866.31 and 387,267.43

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Solution

The fourth proportional to 1,145,956.53, 1,717,866.31 and 387,267.43 is: 580,540.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,956.53 : 1,717,866.31 = 387,267.43 : x
  2. Step 2: Convert to fraction form
    1,145,956.53/1,717,866.31 = 387,267.43/x
  3. Step 3: Cross multiply
    1,145,956.53x = 1,717,866.31 × 387,267.43
  4. Step 4: Simplify right side
    1,145,956.53x = 665,273,670,957.28
  5. Step 5: Solve for x
    x = 665,273,670,957.28/1,145,956.53
  6. Step 6: Final answer
    x = 580,540.06

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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.