Home / 1,245,729.74-1,719,063.09-701,979.57

Finding the Fourth Proportional to 1,245,729.74, 1,719,063.09 and 701,979.57

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Solution

The fourth proportional to 1,245,729.74, 1,719,063.09 and 701,979.57 is: 968,707.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,729.74 : 1,719,063.09 = 701,979.57 : x
  2. Step 2: Convert to fraction form
    1,245,729.74/1,719,063.09 = 701,979.57/x
  3. Step 3: Cross multiply
    1,245,729.74x = 1,719,063.09 × 701,979.57
  4. Step 4: Simplify right side
    1,245,729.74x = 1,206,747,168,721.07
  5. Step 5: Solve for x
    x = 1,206,747,168,721.07/1,245,729.74
  6. Step 6: Final answer
    x = 968,707.04

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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.