Home / 1,518,140.80-2,277,211.20-396,209.80

Finding the Fourth Proportional to 1,518,140.80, 2,277,211.20 and 396,209.80

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Solution

The fourth proportional to 1,518,140.80, 2,277,211.20 and 396,209.80 is: 594,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,140.80 : 2,277,211.20 = 396,209.80 : x
  2. Step 2: Convert to fraction form
    1,518,140.80/2,277,211.20 = 396,209.80/x
  3. Step 3: Cross multiply
    1,518,140.80x = 2,277,211.20 × 396,209.80
  4. Step 4: Simplify right side
    1,518,140.80x = 902,253,394,109.76
  5. Step 5: Solve for x
    x = 902,253,394,109.76/1,518,140.80
  6. Step 6: Final answer
    x = 594,314.70

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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.