Home / 1,375,123.80-2,062,977.30-415,500.60

Finding the Fourth Proportional to 1,375,123.80, 2,062,977.30 and 415,500.60

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Solution

The fourth proportional to 1,375,123.80, 2,062,977.30 and 415,500.60 is: 623,339.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,123.80 : 2,062,977.30 = 415,500.60 : x
  2. Step 2: Convert to fraction form
    1,375,123.80/2,062,977.30 = 415,500.60/x
  3. Step 3: Cross multiply
    1,375,123.80x = 2,062,977.30 × 415,500.60
  4. Step 4: Simplify right side
    1,375,123.80x = 857,168,305,936.38
  5. Step 5: Solve for x
    x = 857,168,305,936.38/1,375,123.80
  6. Step 6: Final answer
    x = 623,339.01

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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.