Home / 1,254,280.32-1,730,939.04-681,353.28

Finding the Fourth Proportional to 1,254,280.32, 1,730,939.04 and 681,353.28

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Solution

The fourth proportional to 1,254,280.32, 1,730,939.04 and 681,353.28 is: 940,285.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,280.32 : 1,730,939.04 = 681,353.28 : x
  2. Step 2: Convert to fraction form
    1,254,280.32/1,730,939.04 = 681,353.28/x
  3. Step 3: Cross multiply
    1,254,280.32x = 1,730,939.04 × 681,353.28
  4. Step 4: Simplify right side
    1,254,280.32x = 1,179,380,992,384.05
  5. Step 5: Solve for x
    x = 1,179,380,992,384.05/1,254,280.32
  6. Step 6: Final answer
    x = 940,285.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.