Home / 1,412,374.73-1,949,068.98-800,642.88

Finding the Fourth Proportional to 1,412,374.73, 1,949,068.98 and 800,642.88

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Solution

The fourth proportional to 1,412,374.73, 1,949,068.98 and 800,642.88 is: 1,104,882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,374.73 : 1,949,068.98 = 800,642.88 : x
  2. Step 2: Convert to fraction form
    1,412,374.73/1,949,068.98 = 800,642.88/x
  3. Step 3: Cross multiply
    1,412,374.73x = 1,949,068.98 × 800,642.88
  4. Step 4: Simplify right side
    1,412,374.73x = 1,560,508,201,465.86
  5. Step 5: Solve for x
    x = 1,560,508,201,465.86/1,412,374.73
  6. Step 6: Final answer
    x = 1,104,882.56

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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.