Home / 1,102,162.40-1,653,243.60-724,248.80

Finding the Fourth Proportional to 1,102,162.40, 1,653,243.60 and 724,248.80

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Solution

The fourth proportional to 1,102,162.40, 1,653,243.60 and 724,248.80 is: 1,086,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,162.40 : 1,653,243.60 = 724,248.80 : x
  2. Step 2: Convert to fraction form
    1,102,162.40/1,653,243.60 = 724,248.80/x
  3. Step 3: Cross multiply
    1,102,162.40x = 1,653,243.60 × 724,248.80
  4. Step 4: Simplify right side
    1,102,162.40x = 1,197,359,693,407.68
  5. Step 5: Solve for x
    x = 1,197,359,693,407.68/1,102,162.40
  6. Step 6: Final answer
    x = 1,086,373.20

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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.