Home / 1,508,334.52-2,081,542.72-820,052.70

Finding the Fourth Proportional to 1,508,334.52, 2,081,542.72 and 820,052.70

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Solution

The fourth proportional to 1,508,334.52, 2,081,542.72 and 820,052.70 is: 1,131,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,334.52 : 2,081,542.72 = 820,052.70 : x
  2. Step 2: Convert to fraction form
    1,508,334.52/2,081,542.72 = 820,052.70/x
  3. Step 3: Cross multiply
    1,508,334.52x = 2,081,542.72 × 820,052.70
  4. Step 4: Simplify right side
    1,508,334.52x = 1,706,974,727,701.34
  5. Step 5: Solve for x
    x = 1,706,974,727,701.34/1,508,334.52
  6. Step 6: Final answer
    x = 1,131,695.06

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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.