Home / 1,298,309.88-1,791,634.62-725,354.35

Finding the Fourth Proportional to 1,298,309.88, 1,791,634.62 and 725,354.35

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Solution

The fourth proportional to 1,298,309.88, 1,791,634.62 and 725,354.35 is: 1,000,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,309.88 : 1,791,634.62 = 725,354.35 : x
  2. Step 2: Convert to fraction form
    1,298,309.88/1,791,634.62 = 725,354.35/x
  3. Step 3: Cross multiply
    1,298,309.88x = 1,791,634.62 × 725,354.35
  4. Step 4: Simplify right side
    1,298,309.88x = 1,299,569,965,227.60
  5. Step 5: Solve for x
    x = 1,299,569,965,227.60/1,298,309.88
  6. Step 6: Final answer
    x = 1,000,970.56

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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.