Home / 792,115.20-1,188,172.80-745,459.20

Finding the Fourth Proportional to 792,115.20, 1,188,172.80 and 745,459.20

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Solution

The fourth proportional to 792,115.20, 1,188,172.80 and 745,459.20 is: 1,118,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,115.20 : 1,188,172.80 = 745,459.20 : x
  2. Step 2: Convert to fraction form
    792,115.20/1,188,172.80 = 745,459.20/x
  3. Step 3: Cross multiply
    792,115.20x = 1,188,172.80 × 745,459.20
  4. Step 4: Simplify right side
    792,115.20x = 885,734,344,949.76
  5. Step 5: Solve for x
    x = 885,734,344,949.76/792,115.20
  6. Step 6: Final answer
    x = 1,118,188.80

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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.