Home / 1,144,626.80-1,714,651.13-688,967.78

Finding the Fourth Proportional to 1,144,626.80, 1,714,651.13 and 688,967.78

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Solution

The fourth proportional to 1,144,626.80, 1,714,651.13 and 688,967.78 is: 1,032,073.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,626.80 : 1,714,651.13 = 688,967.78 : x
  2. Step 2: Convert to fraction form
    1,144,626.80/1,714,651.13 = 688,967.78/x
  3. Step 3: Cross multiply
    1,144,626.80x = 1,714,651.13 × 688,967.78
  4. Step 4: Simplify right side
    1,144,626.80x = 1,181,339,375,659.76
  5. Step 5: Solve for x
    x = 1,181,339,375,659.76/1,144,626.80
  6. Step 6: Final answer
    x = 1,032,073.84

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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.