Home / 1,268,975.92-1,904,132.40-559,493.68

Finding the Fourth Proportional to 1,268,975.92, 1,904,132.40 and 559,493.68

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Solution

The fourth proportional to 1,268,975.92, 1,904,132.40 and 559,493.68 is: 839,535.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,975.92 : 1,904,132.40 = 559,493.68 : x
  2. Step 2: Convert to fraction form
    1,268,975.92/1,904,132.40 = 559,493.68/x
  3. Step 3: Cross multiply
    1,268,975.92x = 1,904,132.40 × 559,493.68
  4. Step 4: Simplify right side
    1,268,975.92x = 1,065,350,043,683.23
  5. Step 5: Solve for x
    x = 1,065,350,043,683.23/1,268,975.92
  6. Step 6: Final answer
    x = 839,535.27

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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.