Home / 1,000,620.12-1,380,856.67-541,735.02

Finding the Fourth Proportional to 1,000,620.12, 1,380,856.67 and 541,735.02

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Solution

The fourth proportional to 1,000,620.12, 1,380,856.67 and 541,735.02 is: 747,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,620.12 : 1,380,856.67 = 541,735.02 : x
  2. Step 2: Convert to fraction form
    1,000,620.12/1,380,856.67 = 541,735.02/x
  3. Step 3: Cross multiply
    1,000,620.12x = 1,380,856.67 × 541,735.02
  4. Step 4: Simplify right side
    1,000,620.12x = 748,058,413,030.91
  5. Step 5: Solve for x
    x = 748,058,413,030.91/1,000,620.12
  6. Step 6: Final answer
    x = 747,594.81

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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.