Home / 1,000,524.30-1,380,721.95-541,638.75

Finding the Fourth Proportional to 1,000,524.30, 1,380,721.95 and 541,638.75

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Solution

The fourth proportional to 1,000,524.30, 1,380,721.95 and 541,638.75 is: 747,460.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,524.30 : 1,380,721.95 = 541,638.75 : x
  2. Step 2: Convert to fraction form
    1,000,524.30/1,380,721.95 = 541,638.75/x
  3. Step 3: Cross multiply
    1,000,524.30x = 1,380,721.95 × 541,638.75
  4. Step 4: Simplify right side
    1,000,524.30x = 747,852,508,506.71
  5. Step 5: Solve for x
    x = 747,852,508,506.71/1,000,524.30
  6. Step 6: Final answer
    x = 747,460.61

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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.