Home / 1,305,721.26-1,801,905.89-732,896.55

Finding the Fourth Proportional to 1,305,721.26, 1,801,905.89 and 732,896.55

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Solution

The fourth proportional to 1,305,721.26, 1,801,905.89 and 732,896.55 is: 1,011,403.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,721.26 : 1,801,905.89 = 732,896.55 : x
  2. Step 2: Convert to fraction form
    1,305,721.26/1,801,905.89 = 732,896.55/x
  3. Step 3: Cross multiply
    1,305,721.26x = 1,801,905.89 × 732,896.55
  4. Step 4: Simplify right side
    1,305,721.26x = 1,320,610,606,541.20
  5. Step 5: Solve for x
    x = 1,320,610,606,541.20/1,305,721.26
  6. Step 6: Final answer
    x = 1,011,403.16

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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.