Home / 1,208,414.02-1,667,578.08-664,549.80

Finding the Fourth Proportional to 1,208,414.02, 1,667,578.08 and 664,549.80

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Solution

The fourth proportional to 1,208,414.02, 1,667,578.08 and 664,549.80 is: 917,060.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,414.02 : 1,667,578.08 = 664,549.80 : x
  2. Step 2: Convert to fraction form
    1,208,414.02/1,667,578.08 = 664,549.80/x
  3. Step 3: Cross multiply
    1,208,414.02x = 1,667,578.08 × 664,549.80
  4. Step 4: Simplify right side
    1,208,414.02x = 1,108,188,679,548.38
  5. Step 5: Solve for x
    x = 1,108,188,679,548.38/1,208,414.02
  6. Step 6: Final answer
    x = 917,060.43

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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.