Home / 1,347,443.60-2,021,446.20-449,164.40

Finding the Fourth Proportional to 1,347,443.60, 2,021,446.20 and 449,164.40

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Solution

The fourth proportional to 1,347,443.60, 2,021,446.20 and 449,164.40 is: 673,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,443.60 : 2,021,446.20 = 449,164.40 : x
  2. Step 2: Convert to fraction form
    1,347,443.60/2,021,446.20 = 449,164.40/x
  3. Step 3: Cross multiply
    1,347,443.60x = 2,021,446.20 × 449,164.40
  4. Step 4: Simplify right side
    1,347,443.60x = 907,961,669,555.28
  5. Step 5: Solve for x
    x = 907,961,669,555.28/1,347,443.60
  6. Step 6: Final answer
    x = 673,840.20

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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.