Home / 1,178,081.20-1,767,121.80-579,134.80

Finding the Fourth Proportional to 1,178,081.20, 1,767,121.80 and 579,134.80

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Solution

The fourth proportional to 1,178,081.20, 1,767,121.80 and 579,134.80 is: 868,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,081.20 : 1,767,121.80 = 579,134.80 : x
  2. Step 2: Convert to fraction form
    1,178,081.20/1,767,121.80 = 579,134.80/x
  3. Step 3: Cross multiply
    1,178,081.20x = 1,767,121.80 × 579,134.80
  4. Step 4: Simplify right side
    1,178,081.20x = 1,023,401,730,218.64
  5. Step 5: Solve for x
    x = 1,023,401,730,218.64/1,178,081.20
  6. Step 6: Final answer
    x = 868,702.20

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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.