Home / 1,360,130.70-2,040,272.85-413,532.30

Finding the Fourth Proportional to 1,360,130.70, 2,040,272.85 and 413,532.30

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Solution

The fourth proportional to 1,360,130.70, 2,040,272.85 and 413,532.30 is: 620,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,130.70 : 2,040,272.85 = 413,532.30 : x
  2. Step 2: Convert to fraction form
    1,360,130.70/2,040,272.85 = 413,532.30/x
  3. Step 3: Cross multiply
    1,360,130.70x = 2,040,272.85 × 413,532.30
  4. Step 4: Simplify right side
    1,360,130.70x = 843,718,724,288.06
  5. Step 5: Solve for x
    x = 843,718,724,288.06/1,360,130.70
  6. Step 6: Final answer
    x = 620,321.80

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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.