Home / 999,200.80-1,496,176.80-787,499.20

Finding the Fourth Proportional to 999,200.80, 1,496,176.80 and 787,499.20

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Solution

The fourth proportional to 999,200.80, 1,496,176.80 and 787,499.20 is: 1,179,180.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,200.80 : 1,496,176.80 = 787,499.20 : x
  2. Step 2: Convert to fraction form
    999,200.80/1,496,176.80 = 787,499.20/x
  3. Step 3: Cross multiply
    999,200.80x = 1,496,176.80 × 787,499.20
  4. Step 4: Simplify right side
    999,200.80x = 1,178,238,033,058.56
  5. Step 5: Solve for x
    x = 1,178,238,033,058.56/999,200.80
  6. Step 6: Final answer
    x = 1,179,180.43

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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.