Home / 1,189,394.21-1,640,964.52-759,925.73

Finding the Fourth Proportional to 1,189,394.21, 1,640,964.52 and 759,925.73

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Solution

The fourth proportional to 1,189,394.21, 1,640,964.52 and 759,925.73 is: 1,048,442.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,394.21 : 1,640,964.52 = 759,925.73 : x
  2. Step 2: Convert to fraction form
    1,189,394.21/1,640,964.52 = 759,925.73/x
  3. Step 3: Cross multiply
    1,189,394.21x = 1,640,964.52 × 759,925.73
  4. Step 4: Simplify right side
    1,189,394.21x = 1,247,011,165,817.42
  5. Step 5: Solve for x
    x = 1,247,011,165,817.42/1,189,394.21
  6. Step 6: Final answer
    x = 1,048,442.27

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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.