Home / 1,298,049.98-1,791,308.87-725,090.14

Finding the Fourth Proportional to 1,298,049.98, 1,791,308.87 and 725,090.14

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Solution

The fourth proportional to 1,298,049.98, 1,791,308.87 and 725,090.14 is: 1,000,624.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,049.98 : 1,791,308.87 = 725,090.14 : x
  2. Step 2: Convert to fraction form
    1,298,049.98/1,791,308.87 = 725,090.14/x
  3. Step 3: Cross multiply
    1,298,049.98x = 1,791,308.87 × 725,090.14
  4. Step 4: Simplify right side
    1,298,049.98x = 1,298,860,386,749.55
  5. Step 5: Solve for x
    x = 1,298,860,386,749.55/1,298,049.98
  6. Step 6: Final answer
    x = 1,000,624.33

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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.