Home / 1,445,604.12-2,167,984.49-485,951.25

Finding the Fourth Proportional to 1,445,604.12, 2,167,984.49 and 485,951.25

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Solution

The fourth proportional to 1,445,604.12, 2,167,984.49 and 485,951.25 is: 728,785.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,604.12 : 2,167,984.49 = 485,951.25 : x
  2. Step 2: Convert to fraction form
    1,445,604.12/2,167,984.49 = 485,951.25/x
  3. Step 3: Cross multiply
    1,445,604.12x = 2,167,984.49 × 485,951.25
  4. Step 4: Simplify right side
    1,445,604.12x = 1,053,534,772,896.11
  5. Step 5: Solve for x
    x = 1,053,534,772,896.11/1,445,604.12
  6. Step 6: Final answer
    x = 728,785.12

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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.