Home / 1,342,191.39-2,013,027.15-521,528.61

Finding the Fourth Proportional to 1,342,191.39, 2,013,027.15 and 521,528.61

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Solution

The fourth proportional to 1,342,191.39, 2,013,027.15 and 521,528.61 is: 782,191.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,191.39 : 2,013,027.15 = 521,528.61 : x
  2. Step 2: Convert to fraction form
    1,342,191.39/2,013,027.15 = 521,528.61/x
  3. Step 3: Cross multiply
    1,342,191.39x = 2,013,027.15 × 521,528.61
  4. Step 4: Simplify right side
    1,342,191.39x = 1,049,851,251,431.76
  5. Step 5: Solve for x
    x = 1,049,851,251,431.76/1,342,191.39
  6. Step 6: Final answer
    x = 782,191.91

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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.