Home / 1,208,476.38-1,811,470.41-647,360.22

Finding the Fourth Proportional to 1,208,476.38, 1,811,470.41 and 647,360.22

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Solution

The fourth proportional to 1,208,476.38, 1,811,470.41 and 647,360.22 is: 970,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,476.38 : 1,811,470.41 = 647,360.22 : x
  2. Step 2: Convert to fraction form
    1,208,476.38/1,811,470.41 = 647,360.22/x
  3. Step 3: Cross multiply
    1,208,476.38x = 1,811,470.41 × 647,360.22
  4. Step 4: Simplify right side
    1,208,476.38x = 1,172,673,883,141.09
  5. Step 5: Solve for x
    x = 1,172,673,883,141.09/1,208,476.38
  6. Step 6: Final answer
    x = 970,373.85

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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.