Home / 1,415,087.20-2,122,630.80-942,695.20

Finding the Fourth Proportional to 1,415,087.20, 2,122,630.80 and 942,695.20

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Solution

The fourth proportional to 1,415,087.20, 2,122,630.80 and 942,695.20 is: 1,414,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,087.20 : 2,122,630.80 = 942,695.20 : x
  2. Step 2: Convert to fraction form
    1,415,087.20/2,122,630.80 = 942,695.20/x
  3. Step 3: Cross multiply
    1,415,087.20x = 2,122,630.80 × 942,695.20
  4. Step 4: Simplify right side
    1,415,087.20x = 2,000,993,866,532.16
  5. Step 5: Solve for x
    x = 2,000,993,866,532.16/1,415,087.20
  6. Step 6: Final answer
    x = 1,414,042.80

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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.