Home / 1,687,597.67-2,328,890.92-913,228.43

Finding the Fourth Proportional to 1,687,597.67, 2,328,890.92 and 913,228.43

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Solution

The fourth proportional to 1,687,597.67, 2,328,890.92 and 913,228.43 is: 1,260,258.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,597.67 : 2,328,890.92 = 913,228.43 : x
  2. Step 2: Convert to fraction form
    1,687,597.67/2,328,890.92 = 913,228.43/x
  3. Step 3: Cross multiply
    1,687,597.67x = 2,328,890.92 × 913,228.43
  4. Step 4: Simplify right side
    1,687,597.67x = 2,126,809,389,722.24
  5. Step 5: Solve for x
    x = 2,126,809,389,722.24/1,687,597.67
  6. Step 6: Final answer
    x = 1,260,258.55

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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.