Home / 1,508,588.46-2,081,829.04-820,254.84

Finding the Fourth Proportional to 1,508,588.46, 2,081,829.04 and 820,254.84

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Solution

The fourth proportional to 1,508,588.46, 2,081,829.04 and 820,254.84 is: 1,131,939.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,588.46 : 2,081,829.04 = 820,254.84 : x
  2. Step 2: Convert to fraction form
    1,508,588.46/2,081,829.04 = 820,254.84/x
  3. Step 3: Cross multiply
    1,508,588.46x = 2,081,829.04 × 820,254.84
  4. Step 4: Simplify right side
    1,508,588.46x = 1,707,630,346,112.55
  5. Step 5: Solve for x
    x = 1,707,630,346,112.55/1,508,588.46
  6. Step 6: Final answer
    x = 1,131,939.15

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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.