Home / 1,245,300.90-1,867,951.35-1,123,266.30

Finding the Fourth Proportional to 1,245,300.90, 1,867,951.35 and 1,123,266.30

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Solution

The fourth proportional to 1,245,300.90, 1,867,951.35 and 1,123,266.30 is: 1,684,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,300.90 : 1,867,951.35 = 1,123,266.30 : x
  2. Step 2: Convert to fraction form
    1,245,300.90/1,867,951.35 = 1,123,266.30/x
  3. Step 3: Cross multiply
    1,245,300.90x = 1,867,951.35 × 1,123,266.30
  4. Step 4: Simplify right side
    1,245,300.90x = 2,098,206,801,494.51
  5. Step 5: Solve for x
    x = 2,098,206,801,494.51/1,245,300.90
  6. Step 6: Final answer
    x = 1,684,899.45

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Similar ratio
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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.