Home / 1,129,834.24-1,558,520.40-676,862.80

Finding the Fourth Proportional to 1,129,834.24, 1,558,520.40 and 676,862.80

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Solution

The fourth proportional to 1,129,834.24, 1,558,520.40 and 676,862.80 is: 933,680.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,834.24 : 1,558,520.40 = 676,862.80 : x
  2. Step 2: Convert to fraction form
    1,129,834.24/1,558,520.40 = 676,862.80/x
  3. Step 3: Cross multiply
    1,129,834.24x = 1,558,520.40 × 676,862.80
  4. Step 4: Simplify right side
    1,129,834.24x = 1,054,904,481,801.12
  5. Step 5: Solve for x
    x = 1,054,904,481,801.12/1,129,834.24
  6. Step 6: Final answer
    x = 933,680.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.