Home / 1,332,396.03-1,838,721.01-720,560.69

Finding the Fourth Proportional to 1,332,396.03, 1,838,721.01 and 720,560.69

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Solution

The fourth proportional to 1,332,396.03, 1,838,721.01 and 720,560.69 is: 994,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,396.03 : 1,838,721.01 = 720,560.69 : x
  2. Step 2: Convert to fraction form
    1,332,396.03/1,838,721.01 = 720,560.69/x
  3. Step 3: Cross multiply
    1,332,396.03x = 1,838,721.01 × 720,560.69
  4. Step 4: Simplify right side
    1,332,396.03x = 1,324,910,071,762.94
  5. Step 5: Solve for x
    x = 1,324,910,071,762.94/1,332,396.03
  6. Step 6: Final answer
    x = 994,381.58

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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.