Home / 749,909.20-1,123,114.20-734,875.60

Finding the Fourth Proportional to 749,909.20, 1,123,114.20 and 734,875.60

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Solution

The fourth proportional to 749,909.20, 1,123,114.20 and 734,875.60 is: 1,100,598.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,909.20 : 1,123,114.20 = 734,875.60 : x
  2. Step 2: Convert to fraction form
    749,909.20/1,123,114.20 = 734,875.60/x
  3. Step 3: Cross multiply
    749,909.20x = 1,123,114.20 × 734,875.60
  4. Step 4: Simplify right side
    749,909.20x = 825,349,221,593.52
  5. Step 5: Solve for x
    x = 825,349,221,593.52/749,909.20
  6. Step 6: Final answer
    x = 1,100,598.87

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1.5x scale

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.