Home / 1,246,963.78-1,720,808.98-674,003.95

Finding the Fourth Proportional to 1,246,963.78, 1,720,808.98 and 674,003.95

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Solution

The fourth proportional to 1,246,963.78, 1,720,808.98 and 674,003.95 is: 930,124.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,963.78 : 1,720,808.98 = 674,003.95 : x
  2. Step 2: Convert to fraction form
    1,246,963.78/1,720,808.98 = 674,003.95/x
  3. Step 3: Cross multiply
    1,246,963.78x = 1,720,808.98 × 674,003.95
  4. Step 4: Simplify right side
    1,246,963.78x = 1,159,832,043,728.44
  5. Step 5: Solve for x
    x = 1,159,832,043,728.44/1,246,963.78
  6. Step 6: Final answer
    x = 930,124.89

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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.