Home / 1,350,404.40-2,025,282.60-780,553.20

Finding the Fourth Proportional to 1,350,404.40, 2,025,282.60 and 780,553.20

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Solution

The fourth proportional to 1,350,404.40, 2,025,282.60 and 780,553.20 is: 1,170,642.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,404.40 : 2,025,282.60 = 780,553.20 : x
  2. Step 2: Convert to fraction form
    1,350,404.40/2,025,282.60 = 780,553.20/x
  3. Step 3: Cross multiply
    1,350,404.40x = 2,025,282.60 × 780,553.20
  4. Step 4: Simplify right side
    1,350,404.40x = 1,580,840,814,334.32
  5. Step 5: Solve for x
    x = 1,580,840,814,334.32/1,350,404.40
  6. Step 6: Final answer
    x = 1,170,642.52

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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.