Home / 1,264,902.72-1,897,306.56-318,261.12

Finding the Fourth Proportional to 1,264,902.72, 1,897,306.56 and 318,261.12

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Solution

The fourth proportional to 1,264,902.72, 1,897,306.56 and 318,261.12 is: 477,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,902.72 : 1,897,306.56 = 318,261.12 : x
  2. Step 2: Convert to fraction form
    1,264,902.72/1,897,306.56 = 318,261.12/x
  3. Step 3: Cross multiply
    1,264,902.72x = 1,897,306.56 × 318,261.12
  4. Step 4: Simplify right side
    1,264,902.72x = 603,838,910,768.95
  5. Step 5: Solve for x
    x = 603,838,910,768.95/1,264,902.72
  6. Step 6: Final answer
    x = 477,379.72

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1.5x scale

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.