Home / 1,332,578.31-1,838,952.30-720,731.67

Finding the Fourth Proportional to 1,332,578.31, 1,838,952.30 and 720,731.67

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Solution

The fourth proportional to 1,332,578.31, 1,838,952.30 and 720,731.67 is: 994,606.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,578.31 : 1,838,952.30 = 720,731.67 : x
  2. Step 2: Convert to fraction form
    1,332,578.31/1,838,952.30 = 720,731.67/x
  3. Step 3: Cross multiply
    1,332,578.31x = 1,838,952.30 × 720,731.67
  4. Step 4: Simplify right side
    1,332,578.31x = 1,325,391,162,229.34
  5. Step 5: Solve for x
    x = 1,325,391,162,229.34/1,332,578.31
  6. Step 6: Final answer
    x = 994,606.59

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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.