Home / 1,059,424.80-1,589,137.20-740,560.20

Finding the Fourth Proportional to 1,059,424.80, 1,589,137.20 and 740,560.20

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Solution

The fourth proportional to 1,059,424.80, 1,589,137.20 and 740,560.20 is: 1,110,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,424.80 : 1,589,137.20 = 740,560.20 : x
  2. Step 2: Convert to fraction form
    1,059,424.80/1,589,137.20 = 740,560.20/x
  3. Step 3: Cross multiply
    1,059,424.80x = 1,589,137.20 × 740,560.20
  4. Step 4: Simplify right side
    1,059,424.80x = 1,176,851,762,659.44
  5. Step 5: Solve for x
    x = 1,176,851,762,659.44/1,059,424.80
  6. Step 6: Final answer
    x = 1,110,840.30

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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.