Home / 1,413,119.32-2,120,380.13-560,172.92

Finding the Fourth Proportional to 1,413,119.32, 2,120,380.13 and 560,172.92

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Solution

The fourth proportional to 1,413,119.32, 2,120,380.13 and 560,172.92 is: 840,537.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,119.32 : 2,120,380.13 = 560,172.92 : x
  2. Step 2: Convert to fraction form
    1,413,119.32/2,120,380.13 = 560,172.92/x
  3. Step 3: Cross multiply
    1,413,119.32x = 2,120,380.13 × 560,172.92
  4. Step 4: Simplify right side
    1,413,119.32x = 1,187,779,519,730.61
  5. Step 5: Solve for x
    x = 1,187,779,519,730.61/1,413,119.32
  6. Step 6: Final answer
    x = 840,537.32

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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.