Home / 1,081,279.22-1,622,393.58-513,071.10

Finding the Fourth Proportional to 1,081,279.22, 1,622,393.58 and 513,071.10

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Solution

The fourth proportional to 1,081,279.22, 1,622,393.58 and 513,071.10 is: 769,831.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,279.22 : 1,622,393.58 = 513,071.10 : x
  2. Step 2: Convert to fraction form
    1,081,279.22/1,622,393.58 = 513,071.10/x
  3. Step 3: Cross multiply
    1,081,279.22x = 1,622,393.58 × 513,071.10
  4. Step 4: Simplify right side
    1,081,279.22x = 832,403,258,723.54
  5. Step 5: Solve for x
    x = 832,403,258,723.54/1,081,279.22
  6. Step 6: Final answer
    x = 769,831.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.