Home / 1,315,193.78-1,814,772.83-798,679.06

Finding the Fourth Proportional to 1,315,193.78, 1,814,772.83 and 798,679.06

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Solution

The fourth proportional to 1,315,193.78, 1,814,772.83 and 798,679.06 is: 1,102,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,193.78 : 1,814,772.83 = 798,679.06 : x
  2. Step 2: Convert to fraction form
    1,315,193.78/1,814,772.83 = 798,679.06/x
  3. Step 3: Cross multiply
    1,315,193.78x = 1,814,772.83 × 798,679.06
  4. Step 4: Simplify right side
    1,315,193.78x = 1,449,421,049,447.61
  5. Step 5: Solve for x
    x = 1,449,421,049,447.61/1,315,193.78
  6. Step 6: Final answer
    x = 1,102,058.93

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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.