Home / 1,785,207.60-2,463,583.68-980,391.60

Finding the Fourth Proportional to 1,785,207.60, 2,463,583.68 and 980,391.60

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Solution

The fourth proportional to 1,785,207.60, 2,463,583.68 and 980,391.60 is: 1,352,938.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,207.60 : 2,463,583.68 = 980,391.60 : x
  2. Step 2: Convert to fraction form
    1,785,207.60/2,463,583.68 = 980,391.60/x
  3. Step 3: Cross multiply
    1,785,207.60x = 2,463,583.68 × 980,391.60
  4. Step 4: Simplify right side
    1,785,207.60x = 2,415,276,745,769.09
  5. Step 5: Solve for x
    x = 2,415,276,745,769.09/1,785,207.60
  6. Step 6: Final answer
    x = 1,352,938.87

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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.