Home / 1,520,890.44-2,099,073.23-867,729.52

Finding the Fourth Proportional to 1,520,890.44, 2,099,073.23 and 867,729.52

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Solution

The fourth proportional to 1,520,890.44, 2,099,073.23 and 867,729.52 is: 1,197,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,890.44 : 2,099,073.23 = 867,729.52 : x
  2. Step 2: Convert to fraction form
    1,520,890.44/2,099,073.23 = 867,729.52/x
  3. Step 3: Cross multiply
    1,520,890.44x = 2,099,073.23 × 867,729.52
  4. Step 4: Simplify right side
    1,520,890.44x = 1,821,427,806,312.75
  5. Step 5: Solve for x
    x = 1,821,427,806,312.75/1,520,890.44
  6. Step 6: Final answer
    x = 1,197,606.19

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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.