Home / 1,508,586.47-2,081,826.28-820,252.83

Finding the Fourth Proportional to 1,508,586.47, 2,081,826.28 and 820,252.83

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Solution

The fourth proportional to 1,508,586.47, 2,081,826.28 and 820,252.83 is: 1,131,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,586.47 : 2,081,826.28 = 820,252.83 : x
  2. Step 2: Convert to fraction form
    1,508,586.47/2,081,826.28 = 820,252.83/x
  3. Step 3: Cross multiply
    1,508,586.47x = 2,081,826.28 × 820,252.83
  4. Step 4: Simplify right side
    1,508,586.47x = 1,707,623,897,738.37
  5. Step 5: Solve for x
    x = 1,707,623,897,738.37/1,508,586.47
  6. Step 6: Final answer
    x = 1,131,936.37

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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.