Home / 1,087,362.72-1,500,593.04-657,721.44

Finding the Fourth Proportional to 1,087,362.72, 1,500,593.04 and 657,721.44

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Solution

The fourth proportional to 1,087,362.72, 1,500,593.04 and 657,721.44 is: 907,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,362.72 : 1,500,593.04 = 657,721.44 : x
  2. Step 2: Convert to fraction form
    1,087,362.72/1,500,593.04 = 657,721.44/x
  3. Step 3: Cross multiply
    1,087,362.72x = 1,500,593.04 × 657,721.44
  4. Step 4: Simplify right side
    1,087,362.72x = 986,972,215,122.78
  5. Step 5: Solve for x
    x = 986,972,215,122.78/1,087,362.72
  6. Step 6: Final answer
    x = 907,675.24

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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.