Home / 1,515,107.46-2,090,892.77-826,823.73

Finding the Fourth Proportional to 1,515,107.46, 2,090,892.77 and 826,823.73

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Solution

The fourth proportional to 1,515,107.46, 2,090,892.77 and 826,823.73 is: 1,141,041.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,107.46 : 2,090,892.77 = 826,823.73 : x
  2. Step 2: Convert to fraction form
    1,515,107.46/2,090,892.77 = 826,823.73/x
  3. Step 3: Cross multiply
    1,515,107.46x = 2,090,892.77 × 826,823.73
  4. Step 4: Simplify right side
    1,515,107.46x = 1,728,799,754,987.31
  5. Step 5: Solve for x
    x = 1,728,799,754,987.31/1,515,107.46
  6. Step 6: Final answer
    x = 1,141,041.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.