Home / 1,512,140.10-2,268,404.55-754,368.90

Finding the Fourth Proportional to 1,512,140.10, 2,268,404.55 and 754,368.90

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Solution

The fourth proportional to 1,512,140.10, 2,268,404.55 and 754,368.90 is: 1,131,650.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,140.10 : 2,268,404.55 = 754,368.90 : x
  2. Step 2: Convert to fraction form
    1,512,140.10/2,268,404.55 = 754,368.90/x
  3. Step 3: Cross multiply
    1,512,140.10x = 2,268,404.55 × 754,368.90
  4. Step 4: Simplify right side
    1,512,140.10x = 1,711,213,845,138.50
  5. Step 5: Solve for x
    x = 1,711,213,845,138.50/1,512,140.10
  6. Step 6: Final answer
    x = 1,131,650.33

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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.