Home / 1,002,172.50-1,503,346.23-254,218.50

Finding the Fourth Proportional to 1,002,172.50, 1,503,346.23 and 254,218.50

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Solution

The fourth proportional to 1,002,172.50, 1,503,346.23 and 254,218.50 is: 381,349.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,172.50 : 1,503,346.23 = 254,218.50 : x
  2. Step 2: Convert to fraction form
    1,002,172.50/1,503,346.23 = 254,218.50/x
  3. Step 3: Cross multiply
    1,002,172.50x = 1,503,346.23 × 254,218.50
  4. Step 4: Simplify right side
    1,002,172.50x = 382,178,423,571.26
  5. Step 5: Solve for x
    x = 382,178,423,571.26/1,002,172.50
  6. Step 6: Final answer
    x = 381,349.94

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Double scale
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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.