Home / 1,008,093.90-1,512,140.85-260,139.90

Finding the Fourth Proportional to 1,008,093.90, 1,512,140.85 and 260,139.90

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Solution

The fourth proportional to 1,008,093.90, 1,512,140.85 and 260,139.90 is: 390,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,093.90 : 1,512,140.85 = 260,139.90 : x
  2. Step 2: Convert to fraction form
    1,008,093.90/1,512,140.85 = 260,139.90/x
  3. Step 3: Cross multiply
    1,008,093.90x = 1,512,140.85 × 260,139.90
  4. Step 4: Simplify right side
    1,008,093.90x = 393,368,169,504.92
  5. Step 5: Solve for x
    x = 393,368,169,504.92/1,008,093.90
  6. Step 6: Final answer
    x = 390,209.85

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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.