Home / 1,231,248.60-1,699,151.60-772,382.48

Finding the Fourth Proportional to 1,231,248.60, 1,699,151.60 and 772,382.48

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Solution

The fourth proportional to 1,231,248.60, 1,699,151.60 and 772,382.48 is: 1,065,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,248.60 : 1,699,151.60 = 772,382.48 : x
  2. Step 2: Convert to fraction form
    1,231,248.60/1,699,151.60 = 772,382.48/x
  3. Step 3: Cross multiply
    1,231,248.60x = 1,699,151.60 × 772,382.48
  4. Step 4: Simplify right side
    1,231,248.60x = 1,312,394,926,703.97
  5. Step 5: Solve for x
    x = 1,312,394,926,703.97/1,231,248.60
  6. Step 6: Final answer
    x = 1,065,905.72

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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.