Home / 1,340,128.66-2,010,439.23-441,623.38

Finding the Fourth Proportional to 1,340,128.66, 2,010,439.23 and 441,623.38

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Solution

The fourth proportional to 1,340,128.66, 2,010,439.23 and 441,623.38 is: 662,516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,128.66 : 2,010,439.23 = 441,623.38 : x
  2. Step 2: Convert to fraction form
    1,340,128.66/2,010,439.23 = 441,623.38/x
  3. Step 3: Cross multiply
    1,340,128.66x = 2,010,439.23 × 441,623.38
  4. Step 4: Simplify right side
    1,340,128.66x = 887,856,968,037.20
  5. Step 5: Solve for x
    x = 887,856,968,037.20/1,340,128.66
  6. Step 6: Final answer
    x = 662,516.22

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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.