Home / 2,278,720-3,418,087.44-858,394.72

Finding the Fourth Proportional to 2,278,720, 3,418,087.44 and 858,394.72

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Solution

The fourth proportional to 2,278,720, 3,418,087.44 and 858,394.72 is: 1,287,594.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,720 : 3,418,087.44 = 858,394.72 : x
  2. Step 2: Convert to fraction form
    2,278,720/3,418,087.44 = 858,394.72/x
  3. Step 3: Cross multiply
    2,278,720x = 3,418,087.44 × 858,394.72
  4. Step 4: Simplify right side
    2,278,720x = 2,934,068,210,994.32
  5. Step 5: Solve for x
    x = 2,934,068,210,994.32/2,278,720
  6. Step 6: Final answer
    x = 1,287,594.88

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1.5x scale

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.