Home / 1,008,082.10-1,512,390.45-439,219.10

Finding the Fourth Proportional to 1,008,082.10, 1,512,390.45 and 439,219.10

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Solution

The fourth proportional to 1,008,082.10, 1,512,390.45 and 439,219.10 is: 658,945.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,082.10 : 1,512,390.45 = 439,219.10 : x
  2. Step 2: Convert to fraction form
    1,008,082.10/1,512,390.45 = 439,219.10/x
  3. Step 3: Cross multiply
    1,008,082.10x = 1,512,390.45 × 439,219.10
  4. Step 4: Simplify right side
    1,008,082.10x = 664,270,772,297.60
  5. Step 5: Solve for x
    x = 664,270,772,297.60/1,008,082.10
  6. Step 6: Final answer
    x = 658,945.11

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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.