Home / 1,079,271.52-1,618,625.16-320,908.75

Finding the Fourth Proportional to 1,079,271.52, 1,618,625.16 and 320,908.75

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Solution

The fourth proportional to 1,079,271.52, 1,618,625.16 and 320,908.75 is: 481,279.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,271.52 : 1,618,625.16 = 320,908.75 : x
  2. Step 2: Convert to fraction form
    1,079,271.52/1,618,625.16 = 320,908.75/x
  3. Step 3: Cross multiply
    1,079,271.52x = 1,618,625.16 × 320,908.75
  4. Step 4: Simplify right side
    1,079,271.52x = 519,430,972,767.59
  5. Step 5: Solve for x
    x = 519,430,972,767.59/1,079,271.52
  6. Step 6: Final answer
    x = 481,279.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.