Home / 749,909.60-1,127,488.80-734,163.20

Finding the Fourth Proportional to 749,909.60, 1,127,488.80 and 734,163.20

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Solution

The fourth proportional to 749,909.60, 1,127,488.80 and 734,163.20 is: 1,103,814.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,909.60 : 1,127,488.80 = 734,163.20 : x
  2. Step 2: Convert to fraction form
    749,909.60/1,127,488.80 = 734,163.20/x
  3. Step 3: Cross multiply
    749,909.60x = 1,127,488.80 × 734,163.20
  4. Step 4: Simplify right side
    749,909.60x = 827,760,785,372.16
  5. Step 5: Solve for x
    x = 827,760,785,372.16/749,909.60
  6. Step 6: Final answer
    x = 1,103,814.09

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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.