Home / 1,438,867.90-1,985,638.05-794,288.53

Finding the Fourth Proportional to 1,438,867.90, 1,985,638.05 and 794,288.53

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Solution

The fourth proportional to 1,438,867.90, 1,985,638.05 and 794,288.53 is: 1,096,118.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,867.90 : 1,985,638.05 = 794,288.53 : x
  2. Step 2: Convert to fraction form
    1,438,867.90/1,985,638.05 = 794,288.53/x
  3. Step 3: Cross multiply
    1,438,867.90x = 1,985,638.05 × 794,288.53
  4. Step 4: Simplify right side
    1,438,867.90x = 1,577,169,530,328.61
  5. Step 5: Solve for x
    x = 1,577,169,530,328.61/1,438,867.90
  6. Step 6: Final answer
    x = 1,096,118.36

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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.