Home / 1,531,930.60-2,296,974.30-785,434.60

Finding the Fourth Proportional to 1,531,930.60, 2,296,974.30 and 785,434.60

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Solution

The fourth proportional to 1,531,930.60, 2,296,974.30 and 785,434.60 is: 1,177,679.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,930.60 : 2,296,974.30 = 785,434.60 : x
  2. Step 2: Convert to fraction form
    1,531,930.60/2,296,974.30 = 785,434.60/x
  3. Step 3: Cross multiply
    1,531,930.60x = 2,296,974.30 × 785,434.60
  4. Step 4: Simplify right side
    1,531,930.60x = 1,804,123,090,530.78
  5. Step 5: Solve for x
    x = 1,804,123,090,530.78/1,531,930.60
  6. Step 6: Final answer
    x = 1,177,679.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.