Home / 1,105,270.80-1,657,906.20-972,410.55

Finding the Fourth Proportional to 1,105,270.80, 1,657,906.20 and 972,410.55

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Solution

The fourth proportional to 1,105,270.80, 1,657,906.20 and 972,410.55 is: 1,458,615.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,270.80 : 1,657,906.20 = 972,410.55 : x
  2. Step 2: Convert to fraction form
    1,105,270.80/1,657,906.20 = 972,410.55/x
  3. Step 3: Cross multiply
    1,105,270.80x = 1,657,906.20 × 972,410.55
  4. Step 4: Simplify right side
    1,105,270.80x = 1,612,165,479,790.41
  5. Step 5: Solve for x
    x = 1,612,165,479,790.41/1,105,270.80
  6. Step 6: Final answer
    x = 1,458,615.83

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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.