Home / 1,127,829.02-1,691,842.97-318,220.58

Finding the Fourth Proportional to 1,127,829.02, 1,691,842.97 and 318,220.58

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Solution

The fourth proportional to 1,127,829.02, 1,691,842.97 and 318,220.58 is: 477,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,829.02 : 1,691,842.97 = 318,220.58 : x
  2. Step 2: Convert to fraction form
    1,127,829.02/1,691,842.97 = 318,220.58/x
  3. Step 3: Cross multiply
    1,127,829.02x = 1,691,842.97 × 318,220.58
  4. Step 4: Simplify right side
    1,127,829.02x = 538,379,251,182.32
  5. Step 5: Solve for x
    x = 538,379,251,182.32/1,127,829.02
  6. Step 6: Final answer
    x = 477,358.93

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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.