Home / 747,219.80-1,120,829.70-684,234.20

Finding the Fourth Proportional to 747,219.80, 1,120,829.70 and 684,234.20

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Solution

The fourth proportional to 747,219.80, 1,120,829.70 and 684,234.20 is: 1,026,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,219.80 : 1,120,829.70 = 684,234.20 : x
  2. Step 2: Convert to fraction form
    747,219.80/1,120,829.70 = 684,234.20/x
  3. Step 3: Cross multiply
    747,219.80x = 1,120,829.70 × 684,234.20
  4. Step 4: Simplify right side
    747,219.80x = 766,910,013,115.74
  5. Step 5: Solve for x
    x = 766,910,013,115.74/747,219.80
  6. Step 6: Final answer
    x = 1,026,351.30

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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.