Home / 1,531,481.18-2,297,221.62-409,521.02

Finding the Fourth Proportional to 1,531,481.18, 2,297,221.62 and 409,521.02

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Solution

The fourth proportional to 1,531,481.18, 2,297,221.62 and 409,521.02 is: 614,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,481.18 : 2,297,221.62 = 409,521.02 : x
  2. Step 2: Convert to fraction form
    1,531,481.18/2,297,221.62 = 409,521.02/x
  3. Step 3: Cross multiply
    1,531,481.18x = 2,297,221.62 × 409,521.02
  4. Step 4: Simplify right side
    1,531,481.18x = 940,760,540,988.45
  5. Step 5: Solve for x
    x = 940,760,540,988.45/1,531,481.18
  6. Step 6: Final answer
    x = 614,281.49

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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.