Home / 1,273,462.50-1,910,193.72-326,833.20

Finding the Fourth Proportional to 1,273,462.50, 1,910,193.72 and 326,833.20

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Solution

The fourth proportional to 1,273,462.50, 1,910,193.72 and 326,833.20 is: 490,249.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,462.50 : 1,910,193.72 = 326,833.20 : x
  2. Step 2: Convert to fraction form
    1,273,462.50/1,910,193.72 = 326,833.20/x
  3. Step 3: Cross multiply
    1,273,462.50x = 1,910,193.72 × 326,833.20
  4. Step 4: Simplify right side
    1,273,462.50x = 624,314,726,127.50
  5. Step 5: Solve for x
    x = 624,314,726,127.50/1,273,462.50
  6. Step 6: Final answer
    x = 490,249.79

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Double scale
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Similar ratio
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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.