Home / 1,022,343.60-1,533,515.16-274,389.60

Finding the Fourth Proportional to 1,022,343.60, 1,533,515.16 and 274,389.60

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Solution

The fourth proportional to 1,022,343.60, 1,533,515.16 and 274,389.60 is: 411,584.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,343.60 : 1,533,515.16 = 274,389.60 : x
  2. Step 2: Convert to fraction form
    1,022,343.60/1,533,515.16 = 274,389.60/x
  3. Step 3: Cross multiply
    1,022,343.60x = 1,533,515.16 × 274,389.60
  4. Step 4: Simplify right side
    1,022,343.60x = 420,780,611,346.34
  5. Step 5: Solve for x
    x = 420,780,611,346.34/1,022,343.60
  6. Step 6: Final answer
    x = 411,584.34

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Half scale
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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.