Home / 1,350,748.20-1,864,078.56-770,057.20

Finding the Fourth Proportional to 1,350,748.20, 1,864,078.56 and 770,057.20

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Solution

The fourth proportional to 1,350,748.20, 1,864,078.56 and 770,057.20 is: 1,062,705.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,748.20 : 1,864,078.56 = 770,057.20 : x
  2. Step 2: Convert to fraction form
    1,350,748.20/1,864,078.56 = 770,057.20/x
  3. Step 3: Cross multiply
    1,350,748.20x = 1,864,078.56 × 770,057.20
  4. Step 4: Simplify right side
    1,350,748.20x = 1,435,447,111,833.44
  5. Step 5: Solve for x
    x = 1,435,447,111,833.44/1,350,748.20
  6. Step 6: Final answer
    x = 1,062,705.18

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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.