Home / 1,508,999.06-2,082,432.69-820,677.44

Finding the Fourth Proportional to 1,508,999.06, 2,082,432.69 and 820,677.44

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Solution

The fourth proportional to 1,508,999.06, 2,082,432.69 and 820,677.44 is: 1,132,542.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,999.06 : 2,082,432.69 = 820,677.44 : x
  2. Step 2: Convert to fraction form
    1,508,999.06/2,082,432.69 = 820,677.44/x
  3. Step 3: Cross multiply
    1,508,999.06x = 2,082,432.69 × 820,677.44
  4. Step 4: Simplify right side
    1,508,999.06x = 1,709,005,518,589.35
  5. Step 5: Solve for x
    x = 1,709,005,518,589.35/1,508,999.06
  6. Step 6: Final answer
    x = 1,132,542.47

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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.