Home / 1,687,731.01-2,329,050.62-913,344.72

Finding the Fourth Proportional to 1,687,731.01, 2,329,050.62 and 913,344.72

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Solution

The fourth proportional to 1,687,731.01, 2,329,050.62 and 913,344.72 is: 1,260,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,731.01 : 2,329,050.62 = 913,344.72 : x
  2. Step 2: Convert to fraction form
    1,687,731.01/2,329,050.62 = 913,344.72/x
  3. Step 3: Cross multiply
    1,687,731.01x = 2,329,050.62 × 913,344.72
  4. Step 4: Simplify right side
    1,687,731.01x = 2,127,226,097,599.72
  5. Step 5: Solve for x
    x = 2,127,226,097,599.72/1,687,731.01
  6. Step 6: Final answer
    x = 1,260,405.88

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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.