Home / 1,453,612.80-2,181,301.46-543,457.92

Finding the Fourth Proportional to 1,453,612.80, 2,181,301.46 and 543,457.92

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Solution

The fourth proportional to 1,453,612.80, 2,181,301.46 and 543,457.92 is: 815,516.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,612.80 : 2,181,301.46 = 543,457.92 : x
  2. Step 2: Convert to fraction form
    1,453,612.80/2,181,301.46 = 543,457.92/x
  3. Step 3: Cross multiply
    1,453,612.80x = 2,181,301.46 × 543,457.92
  4. Step 4: Simplify right side
    1,453,612.80x = 1,185,445,554,344.56
  5. Step 5: Solve for x
    x = 1,185,445,554,344.56/1,453,612.80
  6. Step 6: Final answer
    x = 815,516.73

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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.