Home / 1,476,012.20-2,214,018.30-411,218.60

Finding the Fourth Proportional to 1,476,012.20, 2,214,018.30 and 411,218.60

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Solution

The fourth proportional to 1,476,012.20, 2,214,018.30 and 411,218.60 is: 616,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,012.20 : 2,214,018.30 = 411,218.60 : x
  2. Step 2: Convert to fraction form
    1,476,012.20/2,214,018.30 = 411,218.60/x
  3. Step 3: Cross multiply
    1,476,012.20x = 2,214,018.30 × 411,218.60
  4. Step 4: Simplify right side
    1,476,012.20x = 910,445,505,700.38
  5. Step 5: Solve for x
    x = 910,445,505,700.38/1,476,012.20
  6. Step 6: Final answer
    x = 616,827.90

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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.