Home / 1,298,325.42-1,791,656.01-725,369.85

Finding the Fourth Proportional to 1,298,325.42, 1,791,656.01 and 725,369.85

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Solution

The fourth proportional to 1,298,325.42, 1,791,656.01 and 725,369.85 is: 1,000,991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,325.42 : 1,791,656.01 = 725,369.85 : x
  2. Step 2: Convert to fraction form
    1,298,325.42/1,791,656.01 = 725,369.85/x
  3. Step 3: Cross multiply
    1,298,325.42x = 1,791,656.01 × 725,369.85
  4. Step 4: Simplify right side
    1,298,325.42x = 1,299,613,251,225.30
  5. Step 5: Solve for x
    x = 1,299,613,251,225.30/1,298,325.42
  6. Step 6: Final answer
    x = 1,000,991.92

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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.