Home / 1,105,713.06-1,656,841.59-769,410.78

Finding the Fourth Proportional to 1,105,713.06, 1,656,841.59 and 769,410.78

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Solution

The fourth proportional to 1,105,713.06, 1,656,841.59 and 769,410.78 is: 1,152,913.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,713.06 : 1,656,841.59 = 769,410.78 : x
  2. Step 2: Convert to fraction form
    1,105,713.06/1,656,841.59 = 769,410.78/x
  3. Step 3: Cross multiply
    1,105,713.06x = 1,656,841.59 × 769,410.78
  4. Step 4: Simplify right side
    1,105,713.06x = 1,274,791,780,098.34
  5. Step 5: Solve for x
    x = 1,274,791,780,098.34/1,105,713.06
  6. Step 6: Final answer
    x = 1,152,913.74

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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.