Home / 1,298,308.88-1,791,633.24-725,353.35

Finding the Fourth Proportional to 1,298,308.88, 1,791,633.24 and 725,353.35

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Solution

The fourth proportional to 1,298,308.88, 1,791,633.24 and 725,353.35 is: 1,000,969.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,308.88 : 1,791,633.24 = 725,353.35 : x
  2. Step 2: Convert to fraction form
    1,298,308.88/1,791,633.24 = 725,353.35/x
  3. Step 3: Cross multiply
    1,298,308.88x = 1,791,633.24 × 725,353.35
  4. Step 4: Simplify right side
    1,298,308.88x = 1,299,567,172,605.35
  5. Step 5: Solve for x
    x = 1,299,567,172,605.35/1,298,308.88
  6. Step 6: Final answer
    x = 1,000,969.18

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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.