Home / 1,731,531.60-2,387,966.40-1,087,011.72

Finding the Fourth Proportional to 1,731,531.60, 2,387,966.40 and 1,087,011.72

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Solution

The fourth proportional to 1,731,531.60, 2,387,966.40 and 1,087,011.72 is: 1,499,104.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,531.60 : 2,387,966.40 = 1,087,011.72 : x
  2. Step 2: Convert to fraction form
    1,731,531.60/2,387,966.40 = 1,087,011.72/x
  3. Step 3: Cross multiply
    1,731,531.60x = 2,387,966.40 × 1,087,011.72
  4. Step 4: Simplify right side
    1,731,531.60x = 2,595,747,463,766.21
  5. Step 5: Solve for x
    x = 2,595,747,463,766.21/1,731,531.60
  6. Step 6: Final answer
    x = 1,499,104.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.