Home / 1,791,605.25-2,472,415.28-986,789.25

Finding the Fourth Proportional to 1,791,605.25, 2,472,415.28 and 986,789.25

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Solution

The fourth proportional to 1,791,605.25, 2,472,415.28 and 986,789.25 is: 1,361,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,605.25 : 2,472,415.28 = 986,789.25 : x
  2. Step 2: Convert to fraction form
    1,791,605.25/2,472,415.28 = 986,789.25/x
  3. Step 3: Cross multiply
    1,791,605.25x = 2,472,415.28 × 986,789.25
  4. Step 4: Simplify right side
    1,791,605.25x = 2,439,752,814,905.79
  5. Step 5: Solve for x
    x = 2,439,752,814,905.79/1,791,605.25
  6. Step 6: Final answer
    x = 1,361,769.18

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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.