Home / 1,279,965.78-1,766,319.03-706,993.65

Finding the Fourth Proportional to 1,279,965.78, 1,766,319.03 and 706,993.65

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Solution

The fourth proportional to 1,279,965.78, 1,766,319.03 and 706,993.65 is: 975,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,965.78 : 1,766,319.03 = 706,993.65 : x
  2. Step 2: Convert to fraction form
    1,279,965.78/1,766,319.03 = 706,993.65/x
  3. Step 3: Cross multiply
    1,279,965.78x = 1,766,319.03 × 706,993.65
  4. Step 4: Simplify right side
    1,279,965.78x = 1,248,776,338,084.16
  5. Step 5: Solve for x
    x = 1,248,776,338,084.16/1,279,965.78
  6. Step 6: Final answer
    x = 975,632.60

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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.