Home / 1,146,629.20-1,719,295.80-436,680.40

Finding the Fourth Proportional to 1,146,629.20, 1,719,295.80 and 436,680.40

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Solution

The fourth proportional to 1,146,629.20, 1,719,295.80 and 436,680.40 is: 654,773.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,629.20 : 1,719,295.80 = 436,680.40 : x
  2. Step 2: Convert to fraction form
    1,146,629.20/1,719,295.80 = 436,680.40/x
  3. Step 3: Cross multiply
    1,146,629.20x = 1,719,295.80 × 436,680.40
  4. Step 4: Simplify right side
    1,146,629.20x = 750,782,777,662.32
  5. Step 5: Solve for x
    x = 750,782,777,662.32/1,146,629.20
  6. Step 6: Final answer
    x = 654,773.82

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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.