Home / 1,508,393.64-2,081,624.25-820,111.80

Finding the Fourth Proportional to 1,508,393.64, 2,081,624.25 and 820,111.80

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Solution

The fourth proportional to 1,508,393.64, 2,081,624.25 and 820,111.80 is: 1,131,776.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,393.64 : 2,081,624.25 = 820,111.80 : x
  2. Step 2: Convert to fraction form
    1,508,393.64/2,081,624.25 = 820,111.80/x
  3. Step 3: Cross multiply
    1,508,393.64x = 2,081,624.25 × 820,111.80
  4. Step 4: Simplify right side
    1,508,393.64x = 1,707,164,610,591.15
  5. Step 5: Solve for x
    x = 1,707,164,610,591.15/1,508,393.64
  6. Step 6: Final answer
    x = 1,131,776.59

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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.