Home / 1,305,721.76-1,801,906.58-732,897.04

Finding the Fourth Proportional to 1,305,721.76, 1,801,906.58 and 732,897.04

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Solution

The fourth proportional to 1,305,721.76, 1,801,906.58 and 732,897.04 is: 1,011,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,721.76 : 1,801,906.58 = 732,897.04 : x
  2. Step 2: Convert to fraction form
    1,305,721.76/1,801,906.58 = 732,897.04/x
  3. Step 3: Cross multiply
    1,305,721.76x = 1,801,906.58 × 732,897.04
  4. Step 4: Simplify right side
    1,305,721.76x = 1,320,611,998,838.52
  5. Step 5: Solve for x
    x = 1,320,611,998,838.52/1,305,721.76
  6. Step 6: Final answer
    x = 1,011,403.84

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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.