Home / 1,055,950.40-1,581,775.20-655,361.60

Finding the Fourth Proportional to 1,055,950.40, 1,581,775.20 and 655,361.60

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Solution

The fourth proportional to 1,055,950.40, 1,581,775.20 and 655,361.60 is: 981,707.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,950.40 : 1,581,775.20 = 655,361.60 : x
  2. Step 2: Convert to fraction form
    1,055,950.40/1,581,775.20 = 655,361.60/x
  3. Step 3: Cross multiply
    1,055,950.40x = 1,581,775.20 × 655,361.60
  4. Step 4: Simplify right side
    1,055,950.40x = 1,036,634,725,912.32
  5. Step 5: Solve for x
    x = 1,036,634,725,912.32/1,055,950.40
  6. Step 6: Final answer
    x = 981,707.78

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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.