Home / 1,438,787.76-1,985,515.92-794,208.16

Finding the Fourth Proportional to 1,438,787.76, 1,985,515.92 and 794,208.16

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Solution

The fourth proportional to 1,438,787.76, 1,985,515.92 and 794,208.16 is: 1,096,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,787.76 : 1,985,515.92 = 794,208.16 : x
  2. Step 2: Convert to fraction form
    1,438,787.76/1,985,515.92 = 794,208.16/x
  3. Step 3: Cross multiply
    1,438,787.76x = 1,985,515.92 × 794,208.16
  4. Step 4: Simplify right side
    1,438,787.76x = 1,576,912,945,473.91
  5. Step 5: Solve for x
    x = 1,576,912,945,473.91/1,438,787.76
  6. Step 6: Final answer
    x = 1,096,001.08

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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.