Home / 1,102,132.29-1,520,992.96-612,103.72

Finding the Fourth Proportional to 1,102,132.29, 1,520,992.96 and 612,103.72

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Solution

The fourth proportional to 1,102,132.29, 1,520,992.96 and 612,103.72 is: 844,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,132.29 : 1,520,992.96 = 612,103.72 : x
  2. Step 2: Convert to fraction form
    1,102,132.29/1,520,992.96 = 612,103.72/x
  3. Step 3: Cross multiply
    1,102,132.29x = 1,520,992.96 × 612,103.72
  4. Step 4: Simplify right side
    1,102,132.29x = 931,005,454,275.99
  5. Step 5: Solve for x
    x = 931,005,454,275.99/1,102,132.29
  6. Step 6: Final answer
    x = 844,731.13

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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.