Home / 1,296,425.11-1,788,852.66-723,463.90

Finding the Fourth Proportional to 1,296,425.11, 1,788,852.66 and 723,463.90

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Solution

The fourth proportional to 1,296,425.11, 1,788,852.66 and 723,463.90 is: 998,260.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,425.11 : 1,788,852.66 = 723,463.90 : x
  2. Step 2: Convert to fraction form
    1,296,425.11/1,788,852.66 = 723,463.90/x
  3. Step 3: Cross multiply
    1,296,425.11x = 1,788,852.66 × 723,463.90
  4. Step 4: Simplify right side
    1,296,425.11x = 1,294,170,321,928.97
  5. Step 5: Solve for x
    x = 1,294,170,321,928.97/1,296,425.11
  6. Step 6: Final answer
    x = 998,260.76

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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.