Home / 1,368,168.12-2,052,695.16-658,103.76

Finding the Fourth Proportional to 1,368,168.12, 2,052,695.16 and 658,103.76

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Solution

The fourth proportional to 1,368,168.12, 2,052,695.16 and 658,103.76 is: 987,368.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,168.12 : 2,052,695.16 = 658,103.76 : x
  2. Step 2: Convert to fraction form
    1,368,168.12/2,052,695.16 = 658,103.76/x
  3. Step 3: Cross multiply
    1,368,168.12x = 2,052,695.16 × 658,103.76
  4. Step 4: Simplify right side
    1,368,168.12x = 1,350,886,402,929.80
  5. Step 5: Solve for x
    x = 1,350,886,402,929.80/1,368,168.12
  6. Step 6: Final answer
    x = 987,368.72

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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.