Home / 1,120,039.60-1,680,278.10-446,006.20

Finding the Fourth Proportional to 1,120,039.60, 1,680,278.10 and 446,006.20

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Solution

The fourth proportional to 1,120,039.60, 1,680,278.10 and 446,006.20 is: 669,096.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,039.60 : 1,680,278.10 = 446,006.20 : x
  2. Step 2: Convert to fraction form
    1,120,039.60/1,680,278.10 = 446,006.20/x
  3. Step 3: Cross multiply
    1,120,039.60x = 1,680,278.10 × 446,006.20
  4. Step 4: Simplify right side
    1,120,039.60x = 749,414,450,324.22
  5. Step 5: Solve for x
    x = 749,414,450,324.22/1,120,039.60
  6. Step 6: Final answer
    x = 669,096.39

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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.