Home / 1,512,057.60-2,268,280.80-754,286.40

Finding the Fourth Proportional to 1,512,057.60, 2,268,280.80 and 754,286.40

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Solution

The fourth proportional to 1,512,057.60, 2,268,280.80 and 754,286.40 is: 1,131,526.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,057.60 : 2,268,280.80 = 754,286.40 : x
  2. Step 2: Convert to fraction form
    1,512,057.60/2,268,280.80 = 754,286.40/x
  3. Step 3: Cross multiply
    1,512,057.60x = 2,268,280.80 × 754,286.40
  4. Step 4: Simplify right side
    1,512,057.60x = 1,710,933,358,821.12
  5. Step 5: Solve for x
    x = 1,710,933,358,821.12/1,512,057.60
  6. Step 6: Final answer
    x = 1,131,526.58

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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.