Home / 1,214,272.40-1,821,408.60-466,336.40

Finding the Fourth Proportional to 1,214,272.40, 1,821,408.60 and 466,336.40

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Solution

The fourth proportional to 1,214,272.40, 1,821,408.60 and 466,336.40 is: 699,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,272.40 : 1,821,408.60 = 466,336.40 : x
  2. Step 2: Convert to fraction form
    1,214,272.40/1,821,408.60 = 466,336.40/x
  3. Step 3: Cross multiply
    1,214,272.40x = 1,821,408.60 × 466,336.40
  4. Step 4: Simplify right side
    1,214,272.40x = 849,389,129,453.04
  5. Step 5: Solve for x
    x = 849,389,129,453.04/1,214,272.40
  6. Step 6: Final answer
    x = 699,504.60

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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.