Home / 725,027.60-1,087,541.40-669,040.40

Finding the Fourth Proportional to 725,027.60, 1,087,541.40 and 669,040.40

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Solution

The fourth proportional to 725,027.60, 1,087,541.40 and 669,040.40 is: 1,003,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,027.60 : 1,087,541.40 = 669,040.40 : x
  2. Step 2: Convert to fraction form
    725,027.60/1,087,541.40 = 669,040.40/x
  3. Step 3: Cross multiply
    725,027.60x = 1,087,541.40 × 669,040.40
  4. Step 4: Simplify right side
    725,027.60x = 727,609,133,272.56
  5. Step 5: Solve for x
    x = 727,609,133,272.56/725,027.60
  6. Step 6: Final answer
    x = 1,003,560.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.