Home / 1,676,857.26-2,308,937.76-1,263,993.78

Finding the Fourth Proportional to 1,676,857.26, 2,308,937.76 and 1,263,993.78

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Solution

The fourth proportional to 1,676,857.26, 2,308,937.76 and 1,263,993.78 is: 1,740,448.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,857.26 : 2,308,937.76 = 1,263,993.78 : x
  2. Step 2: Convert to fraction form
    1,676,857.26/2,308,937.76 = 1,263,993.78/x
  3. Step 3: Cross multiply
    1,676,857.26x = 2,308,937.76 × 1,263,993.78
  4. Step 4: Simplify right side
    1,676,857.26x = 2,918,482,967,047.13
  5. Step 5: Solve for x
    x = 2,918,482,967,047.13/1,676,857.26
  6. Step 6: Final answer
    x = 1,740,448.06

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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.