Home / 1,491,723.80-2,237,585.70-1,074,930.20

Finding the Fourth Proportional to 1,491,723.80, 2,237,585.70 and 1,074,930.20

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Solution

The fourth proportional to 1,491,723.80, 2,237,585.70 and 1,074,930.20 is: 1,612,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,723.80 : 2,237,585.70 = 1,074,930.20 : x
  2. Step 2: Convert to fraction form
    1,491,723.80/2,237,585.70 = 1,074,930.20/x
  3. Step 3: Cross multiply
    1,491,723.80x = 2,237,585.70 × 1,074,930.20
  4. Step 4: Simplify right side
    1,491,723.80x = 2,405,248,444,018.14
  5. Step 5: Solve for x
    x = 2,405,248,444,018.14/1,491,723.80
  6. Step 6: Final answer
    x = 1,612,395.30

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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.