Home / 1,260,415.64-1,739,372.52-687,454.04

Finding the Fourth Proportional to 1,260,415.64, 1,739,372.52 and 687,454.04

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Solution

The fourth proportional to 1,260,415.64, 1,739,372.52 and 687,454.04 is: 948,686.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,415.64 : 1,739,372.52 = 687,454.04 : x
  2. Step 2: Convert to fraction form
    1,260,415.64/1,739,372.52 = 687,454.04/x
  3. Step 3: Cross multiply
    1,260,415.64x = 1,739,372.52 × 687,454.04
  4. Step 4: Simplify right side
    1,260,415.64x = 1,195,738,665,938.98
  5. Step 5: Solve for x
    x = 1,195,738,665,938.98/1,260,415.64
  6. Step 6: Final answer
    x = 948,686.00

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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.