Home / 1,009,847.68-1,393,713.12-580,126.88

Finding the Fourth Proportional to 1,009,847.68, 1,393,713.12 and 580,126.88

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Solution

The fourth proportional to 1,009,847.68, 1,393,713.12 and 580,126.88 is: 800,645.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,847.68 : 1,393,713.12 = 580,126.88 : x
  2. Step 2: Convert to fraction form
    1,009,847.68/1,393,713.12 = 580,126.88/x
  3. Step 3: Cross multiply
    1,009,847.68x = 1,393,713.12 × 580,126.88
  4. Step 4: Simplify right side
    1,009,847.68x = 808,530,443,920.67
  5. Step 5: Solve for x
    x = 808,530,443,920.67/1,009,847.68
  6. Step 6: Final answer
    x = 800,645.94

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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.