Home / 1,298,325.92-1,791,656.70-725,370.35

Finding the Fourth Proportional to 1,298,325.92, 1,791,656.70 and 725,370.35

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Solution

The fourth proportional to 1,298,325.92, 1,791,656.70 and 725,370.35 is: 1,000,992.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,325.92 : 1,791,656.70 = 725,370.35 : x
  2. Step 2: Convert to fraction form
    1,298,325.92/1,791,656.70 = 725,370.35/x
  3. Step 3: Cross multiply
    1,298,325.92x = 1,791,656.70 × 725,370.35
  4. Step 4: Simplify right side
    1,298,325.92x = 1,299,614,647,558.85
  5. Step 5: Solve for x
    x = 1,299,614,647,558.85/1,298,325.92
  6. Step 6: Final answer
    x = 1,000,992.61

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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.