Home / 1,251,852.73-1,877,758.54-398,912.92

Finding the Fourth Proportional to 1,251,852.73, 1,877,758.54 and 398,912.92

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Solution

The fourth proportional to 1,251,852.73, 1,877,758.54 and 398,912.92 is: 598,362.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,852.73 : 1,877,758.54 = 398,912.92 : x
  2. Step 2: Convert to fraction form
    1,251,852.73/1,877,758.54 = 398,912.92/x
  3. Step 3: Cross multiply
    1,251,852.73x = 1,877,758.54 × 398,912.92
  4. Step 4: Simplify right side
    1,251,852.73x = 749,062,136,554.66
  5. Step 5: Solve for x
    x = 749,062,136,554.66/1,251,852.73
  6. Step 6: Final answer
    x = 598,362.83

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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.