Home / 1,268,306.15-1,750,264.84-687,527.50

Finding the Fourth Proportional to 1,268,306.15, 1,750,264.84 and 687,527.50

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Solution

The fourth proportional to 1,268,306.15, 1,750,264.84 and 687,527.50 is: 948,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,306.15 : 1,750,264.84 = 687,527.50 : x
  2. Step 2: Convert to fraction form
    1,268,306.15/1,750,264.84 = 687,527.50/x
  3. Step 3: Cross multiply
    1,268,306.15x = 1,750,264.84 × 687,527.50
  4. Step 4: Simplify right side
    1,268,306.15x = 1,203,355,209,783.10
  5. Step 5: Solve for x
    x = 1,203,355,209,783.10/1,268,306.15
  6. Step 6: Final answer
    x = 948,789.23

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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.