Home / 1,279,033.36-1,765,019.76-706,061.24

Finding the Fourth Proportional to 1,279,033.36, 1,765,019.76 and 706,061.24

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Solution

The fourth proportional to 1,279,033.36, 1,765,019.76 and 706,061.24 is: 974,338.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,033.36 : 1,765,019.76 = 706,061.24 : x
  2. Step 2: Convert to fraction form
    1,279,033.36/1,765,019.76 = 706,061.24/x
  3. Step 3: Cross multiply
    1,279,033.36x = 1,765,019.76 × 706,061.24
  4. Step 4: Simplify right side
    1,279,033.36x = 1,246,212,040,370.10
  5. Step 5: Solve for x
    x = 1,246,212,040,370.10/1,279,033.36
  6. Step 6: Final answer
    x = 974,338.97

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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.