Home / 933,661.80-1,397,382.30-821,687.40

Finding the Fourth Proportional to 933,661.80, 1,397,382.30 and 821,687.40

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Solution

The fourth proportional to 933,661.80, 1,397,382.30 and 821,687.40 is: 1,229,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,661.80 : 1,397,382.30 = 821,687.40 : x
  2. Step 2: Convert to fraction form
    933,661.80/1,397,382.30 = 821,687.40/x
  3. Step 3: Cross multiply
    933,661.80x = 1,397,382.30 × 821,687.40
  4. Step 4: Simplify right side
    933,661.80x = 1,148,211,428,893.02
  5. Step 5: Solve for x
    x = 1,148,211,428,893.02/933,661.80
  6. Step 6: Final answer
    x = 1,229,793.73

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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.