Home / 1,087,920.48-1,501,242.36-629,064.78

Finding the Fourth Proportional to 1,087,920.48, 1,501,242.36 and 629,064.78

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Solution

The fourth proportional to 1,087,920.48, 1,501,242.36 and 629,064.78 is: 868,058.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,920.48 : 1,501,242.36 = 629,064.78 : x
  2. Step 2: Convert to fraction form
    1,087,920.48/1,501,242.36 = 629,064.78/x
  3. Step 3: Cross multiply
    1,087,920.48x = 1,501,242.36 × 629,064.78
  4. Step 4: Simplify right side
    1,087,920.48x = 944,378,695,375.92
  5. Step 5: Solve for x
    x = 944,378,695,375.92/1,087,920.48
  6. Step 6: Final answer
    x = 868,058.57

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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.