Home / 1,010,251.40-1,394,601.59-666,291.38

Finding the Fourth Proportional to 1,010,251.40, 1,394,601.59 and 666,291.38

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Solution

The fourth proportional to 1,010,251.40, 1,394,601.59 and 666,291.38 is: 919,781.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,251.40 : 1,394,601.59 = 666,291.38 : x
  2. Step 2: Convert to fraction form
    1,010,251.40/1,394,601.59 = 666,291.38/x
  3. Step 3: Cross multiply
    1,010,251.40x = 1,394,601.59 × 666,291.38
  4. Step 4: Simplify right side
    1,010,251.40x = 929,211,017,951.29
  5. Step 5: Solve for x
    x = 929,211,017,951.29/1,010,251.40
  6. Step 6: Final answer
    x = 919,781.97

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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.