Home / 1,510,431.61-2,084,404.31-822,101.85

Finding the Fourth Proportional to 1,510,431.61, 2,084,404.31 and 822,101.85

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Solution

The fourth proportional to 1,510,431.61, 2,084,404.31 and 822,101.85 is: 1,134,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,431.61 : 2,084,404.31 = 822,101.85 : x
  2. Step 2: Convert to fraction form
    1,510,431.61/2,084,404.31 = 822,101.85/x
  3. Step 3: Cross multiply
    1,510,431.61x = 2,084,404.31 × 822,101.85
  4. Step 4: Simplify right side
    1,510,431.61x = 1,713,592,639,398.97
  5. Step 5: Solve for x
    x = 1,713,592,639,398.97/1,510,431.61
  6. Step 6: Final answer
    x = 1,134,505.28

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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.