Home / 1,208,476.88-1,811,471.16-647,360.72

Finding the Fourth Proportional to 1,208,476.88, 1,811,471.16 and 647,360.72

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Solution

The fourth proportional to 1,208,476.88, 1,811,471.16 and 647,360.72 is: 970,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,476.88 : 1,811,471.16 = 647,360.72 : x
  2. Step 2: Convert to fraction form
    1,208,476.88/1,811,471.16 = 647,360.72/x
  3. Step 3: Cross multiply
    1,208,476.88x = 1,811,471.16 × 647,360.72
  4. Step 4: Simplify right side
    1,208,476.88x = 1,172,675,274,396.84
  5. Step 5: Solve for x
    x = 1,172,675,274,396.84/1,208,476.88
  6. Step 6: Final answer
    x = 970,374.60

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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.