Home / 1,512,147.60-2,268,415.80-754,376.40

Finding the Fourth Proportional to 1,512,147.60, 2,268,415.80 and 754,376.40

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Solution

The fourth proportional to 1,512,147.60, 2,268,415.80 and 754,376.40 is: 1,131,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,147.60 : 2,268,415.80 = 754,376.40 : x
  2. Step 2: Convert to fraction form
    1,512,147.60/2,268,415.80 = 754,376.40/x
  3. Step 3: Cross multiply
    1,512,147.60x = 2,268,415.80 × 754,376.40
  4. Step 4: Simplify right side
    1,512,147.60x = 1,711,239,344,907.12
  5. Step 5: Solve for x
    x = 1,711,239,344,907.12/1,512,147.60
  6. Step 6: Final answer
    x = 1,131,661.58

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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.