Home / 1,243,215.90-1,715,625.54-691,922.41

Finding the Fourth Proportional to 1,243,215.90, 1,715,625.54 and 691,922.41

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Solution

The fourth proportional to 1,243,215.90, 1,715,625.54 and 691,922.41 is: 954,846.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,215.90 : 1,715,625.54 = 691,922.41 : x
  2. Step 2: Convert to fraction form
    1,243,215.90/1,715,625.54 = 691,922.41/x
  3. Step 3: Cross multiply
    1,243,215.90x = 1,715,625.54 × 691,922.41
  4. Step 4: Simplify right side
    1,243,215.90x = 1,187,079,754,005.29
  5. Step 5: Solve for x
    x = 1,187,079,754,005.29/1,243,215.90
  6. Step 6: Final answer
    x = 954,846.02

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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.