Home / 1,874,521.25-2,811,200.40-676,287.79

Finding the Fourth Proportional to 1,874,521.25, 2,811,200.40 and 676,287.79

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Solution

The fourth proportional to 1,874,521.25, 2,811,200.40 and 676,287.79 is: 1,014,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,521.25 : 2,811,200.40 = 676,287.79 : x
  2. Step 2: Convert to fraction form
    1,874,521.25/2,811,200.40 = 676,287.79/x
  3. Step 3: Cross multiply
    1,874,521.25x = 2,811,200.40 × 676,287.79
  4. Step 4: Simplify right side
    1,874,521.25x = 1,901,180,491,707.11
  5. Step 5: Solve for x
    x = 1,901,180,491,707.11/1,874,521.25
  6. Step 6: Final answer
    x = 1,014,221.90

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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.