Home / 1,438,938.14-1,985,722.47-794,344.50

Finding the Fourth Proportional to 1,438,938.14, 1,985,722.47 and 794,344.50

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Solution

The fourth proportional to 1,438,938.14, 1,985,722.47 and 794,344.50 is: 1,096,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,938.14 : 1,985,722.47 = 794,344.50 : x
  2. Step 2: Convert to fraction form
    1,438,938.14/1,985,722.47 = 794,344.50/x
  3. Step 3: Cross multiply
    1,438,938.14x = 1,985,722.47 × 794,344.50
  4. Step 4: Simplify right side
    1,438,938.14x = 1,577,347,722,570.92
  5. Step 5: Solve for x
    x = 1,577,347,722,570.92/1,438,938.14
  6. Step 6: Final answer
    x = 1,096,188.70

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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.