Home / 1,267,395-1,901,092.50-425,946.75

Finding the Fourth Proportional to 1,267,395, 1,901,092.50 and 425,946.75

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Solution

The fourth proportional to 1,267,395, 1,901,092.50 and 425,946.75 is: 638,920.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,395 : 1,901,092.50 = 425,946.75 : x
  2. Step 2: Convert to fraction form
    1,267,395/1,901,092.50 = 425,946.75/x
  3. Step 3: Cross multiply
    1,267,395x = 1,901,092.50 × 425,946.75
  4. Step 4: Simplify right side
    1,267,395x = 809,764,171,824.38
  5. Step 5: Solve for x
    x = 809,764,171,824.38/1,267,395
  6. Step 6: Final answer
    x = 638,920.13

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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.