Home / 1,182,165.60-1,631,428.80-699,144.78

Finding the Fourth Proportional to 1,182,165.60, 1,631,428.80 and 699,144.78

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Solution

The fourth proportional to 1,182,165.60, 1,631,428.80 and 699,144.78 is: 964,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,165.60 : 1,631,428.80 = 699,144.78 : x
  2. Step 2: Convert to fraction form
    1,182,165.60/1,631,428.80 = 699,144.78/x
  3. Step 3: Cross multiply
    1,182,165.60x = 1,631,428.80 × 699,144.78
  4. Step 4: Simplify right side
    1,182,165.60x = 1,140,604,929,461.66
  5. Step 5: Solve for x
    x = 1,140,604,929,461.66/1,182,165.60
  6. Step 6: Final answer
    x = 964,843.61

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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.