Home / 1,003,290-1,384,540.20-550,581

Finding the Fourth Proportional to 1,003,290, 1,384,540.20 and 550,581

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Solution

The fourth proportional to 1,003,290, 1,384,540.20 and 550,581 is: 759,801.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,290 : 1,384,540.20 = 550,581 : x
  2. Step 2: Convert to fraction form
    1,003,290/1,384,540.20 = 550,581/x
  3. Step 3: Cross multiply
    1,003,290x = 1,384,540.20 × 550,581
  4. Step 4: Simplify right side
    1,003,290x = 762,301,527,856.20
  5. Step 5: Solve for x
    x = 762,301,527,856.20/1,003,290
  6. Step 6: Final answer
    x = 759,801.78

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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.