Home / 1,140,863.10-1,573,896.87-687,902.46

Finding the Fourth Proportional to 1,140,863.10, 1,573,896.87 and 687,902.46

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Solution

The fourth proportional to 1,140,863.10, 1,573,896.87 and 687,902.46 is: 949,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,863.10 : 1,573,896.87 = 687,902.46 : x
  2. Step 2: Convert to fraction form
    1,140,863.10/1,573,896.87 = 687,902.46/x
  3. Step 3: Cross multiply
    1,140,863.10x = 1,573,896.87 × 687,902.46
  4. Step 4: Simplify right side
    1,140,863.10x = 1,082,687,528,659.30
  5. Step 5: Solve for x
    x = 1,082,687,528,659.30/1,140,863.10
  6. Step 6: Final answer
    x = 949,007.40

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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.