Home / 780,060.10-1,170,090.15-727,572.10

Finding the Fourth Proportional to 780,060.10, 1,170,090.15 and 727,572.10

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Solution

The fourth proportional to 780,060.10, 1,170,090.15 and 727,572.10 is: 1,091,358.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,060.10 : 1,170,090.15 = 727,572.10 : x
  2. Step 2: Convert to fraction form
    780,060.10/1,170,090.15 = 727,572.10/x
  3. Step 3: Cross multiply
    780,060.10x = 1,170,090.15 × 727,572.10
  4. Step 4: Simplify right side
    780,060.10x = 851,324,947,624.82
  5. Step 5: Solve for x
    x = 851,324,947,624.82/780,060.10
  6. Step 6: Final answer
    x = 1,091,358.15

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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.