Home / 1,245,174.30-1,867,761.45-930,246.30

Finding the Fourth Proportional to 1,245,174.30, 1,867,761.45 and 930,246.30

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Solution

The fourth proportional to 1,245,174.30, 1,867,761.45 and 930,246.30 is: 1,395,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,174.30 : 1,867,761.45 = 930,246.30 : x
  2. Step 2: Convert to fraction form
    1,245,174.30/1,867,761.45 = 930,246.30/x
  3. Step 3: Cross multiply
    1,245,174.30x = 1,867,761.45 × 930,246.30
  4. Step 4: Simplify right side
    1,245,174.30x = 1,737,478,178,145.14
  5. Step 5: Solve for x
    x = 1,737,478,178,145.14/1,245,174.30
  6. Step 6: Final answer
    x = 1,395,369.45

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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.