Home / 1,426,974.71-1,969,286.61-853,904.57

Finding the Fourth Proportional to 1,426,974.71, 1,969,286.61 and 853,904.57

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Solution

The fourth proportional to 1,426,974.71, 1,969,286.61 and 853,904.57 is: 1,178,425.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,974.71 : 1,969,286.61 = 853,904.57 : x
  2. Step 2: Convert to fraction form
    1,426,974.71/1,969,286.61 = 853,904.57/x
  3. Step 3: Cross multiply
    1,426,974.71x = 1,969,286.61 × 853,904.57
  4. Step 4: Simplify right side
    1,426,974.71x = 1,681,582,835,918.81
  5. Step 5: Solve for x
    x = 1,681,582,835,918.81/1,426,974.71
  6. Step 6: Final answer
    x = 1,178,425.11

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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.