Home / 1,145,150.70-1,717,726.05-724,901.10

Finding the Fourth Proportional to 1,145,150.70, 1,717,726.05 and 724,901.10

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Solution

The fourth proportional to 1,145,150.70, 1,717,726.05 and 724,901.10 is: 1,087,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,150.70 : 1,717,726.05 = 724,901.10 : x
  2. Step 2: Convert to fraction form
    1,145,150.70/1,717,726.05 = 724,901.10/x
  3. Step 3: Cross multiply
    1,145,150.70x = 1,717,726.05 × 724,901.10
  4. Step 4: Simplify right side
    1,145,150.70x = 1,245,181,503,143.66
  5. Step 5: Solve for x
    x = 1,245,181,503,143.66/1,145,150.70
  6. Step 6: Final answer
    x = 1,087,351.65

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Double scale
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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.