Home / 1,512,964.80-2,267,454.60-1,111,723.20

Finding the Fourth Proportional to 1,512,964.80, 2,267,454.60 and 1,111,723.20

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Solution

The fourth proportional to 1,512,964.80, 2,267,454.60 and 1,111,723.20 is: 1,666,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,964.80 : 2,267,454.60 = 1,111,723.20 : x
  2. Step 2: Convert to fraction form
    1,512,964.80/2,267,454.60 = 1,111,723.20/x
  3. Step 3: Cross multiply
    1,512,964.80x = 2,267,454.60 × 1,111,723.20
  4. Step 4: Simplify right side
    1,512,964.80x = 2,520,781,883,766.72
  5. Step 5: Solve for x
    x = 2,520,781,883,766.72/1,512,964.80
  6. Step 6: Final answer
    x = 1,666,120.64

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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.