Home / 1,316,286.54-1,974,429.90-319,014.54

Finding the Fourth Proportional to 1,316,286.54, 1,974,429.90 and 319,014.54

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Solution

The fourth proportional to 1,316,286.54, 1,974,429.90 and 319,014.54 is: 478,521.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,286.54 : 1,974,429.90 = 319,014.54 : x
  2. Step 2: Convert to fraction form
    1,316,286.54/1,974,429.90 = 319,014.54/x
  3. Step 3: Cross multiply
    1,316,286.54x = 1,974,429.90 × 319,014.54
  4. Step 4: Simplify right side
    1,316,286.54x = 629,871,846,310.75
  5. Step 5: Solve for x
    x = 629,871,846,310.75/1,316,286.54
  6. Step 6: Final answer
    x = 478,521.83

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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.