Home / 1,426,969.71-1,969,279.70-853,899.57

Finding the Fourth Proportional to 1,426,969.71, 1,969,279.70 and 853,899.57

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Solution

The fourth proportional to 1,426,969.71, 1,969,279.70 and 853,899.57 is: 1,178,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,969.71 : 1,969,279.70 = 853,899.57 : x
  2. Step 2: Convert to fraction form
    1,426,969.71/1,969,279.70 = 853,899.57/x
  3. Step 3: Cross multiply
    1,426,969.71x = 1,969,279.70 × 853,899.57
  4. Step 4: Simplify right side
    1,426,969.71x = 1,681,567,084,770.23
  5. Step 5: Solve for x
    x = 1,681,567,084,770.23/1,426,969.71
  6. Step 6: Final answer
    x = 1,178,418.21

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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.