Home / 1,508,588.22-2,081,828.70-820,254.58

Finding the Fourth Proportional to 1,508,588.22, 2,081,828.70 and 820,254.58

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Solution

The fourth proportional to 1,508,588.22, 2,081,828.70 and 820,254.58 is: 1,131,938.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,588.22 : 2,081,828.70 = 820,254.58 : x
  2. Step 2: Convert to fraction form
    1,508,588.22/2,081,828.70 = 820,254.58/x
  3. Step 3: Cross multiply
    1,508,588.22x = 2,081,828.70 × 820,254.58
  4. Step 4: Simplify right side
    1,508,588.22x = 1,707,629,525,950.45
  5. Step 5: Solve for x
    x = 1,707,629,525,950.45/1,508,588.22
  6. Step 6: Final answer
    x = 1,131,938.79

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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.