Home / 1,540,748.80-2,311,123.20-741,837.70

Finding the Fourth Proportional to 1,540,748.80, 2,311,123.20 and 741,837.70

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Solution

The fourth proportional to 1,540,748.80, 2,311,123.20 and 741,837.70 is: 1,112,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,748.80 : 2,311,123.20 = 741,837.70 : x
  2. Step 2: Convert to fraction form
    1,540,748.80/2,311,123.20 = 741,837.70/x
  3. Step 3: Cross multiply
    1,540,748.80x = 2,311,123.20 × 741,837.70
  4. Step 4: Simplify right side
    1,540,748.80x = 1,714,478,319,104.64
  5. Step 5: Solve for x
    x = 1,714,478,319,104.64/1,540,748.80
  6. Step 6: Final answer
    x = 1,112,756.55

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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.