Home / 786,301.20-1,179,451.80-725,475.60

Finding the Fourth Proportional to 786,301.20, 1,179,451.80 and 725,475.60

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Solution

The fourth proportional to 786,301.20, 1,179,451.80 and 725,475.60 is: 1,088,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,301.20 : 1,179,451.80 = 725,475.60 : x
  2. Step 2: Convert to fraction form
    786,301.20/1,179,451.80 = 725,475.60/x
  3. Step 3: Cross multiply
    786,301.20x = 1,179,451.80 × 725,475.60
  4. Step 4: Simplify right side
    786,301.20x = 855,663,502,276.08
  5. Step 5: Solve for x
    x = 855,663,502,276.08/786,301.20
  6. Step 6: Final answer
    x = 1,088,213.40

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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.