Home / 1,145,800.32-1,719,750.72-613,921.92

Finding the Fourth Proportional to 1,145,800.32, 1,719,750.72 and 613,921.92

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Solution

The fourth proportional to 1,145,800.32, 1,719,750.72 and 613,921.92 is: 921,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,800.32 : 1,719,750.72 = 613,921.92 : x
  2. Step 2: Convert to fraction form
    1,145,800.32/1,719,750.72 = 613,921.92/x
  3. Step 3: Cross multiply
    1,145,800.32x = 1,719,750.72 × 613,921.92
  4. Step 4: Simplify right side
    1,145,800.32x = 1,055,792,663,943.78
  5. Step 5: Solve for x
    x = 1,055,792,663,943.78/1,145,800.32
  6. Step 6: Final answer
    x = 921,445.60

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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.