Home / 1,018,725.78-1,528,087.05-270,771.78

Finding the Fourth Proportional to 1,018,725.78, 1,528,087.05 and 270,771.78

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Solution

The fourth proportional to 1,018,725.78, 1,528,087.05 and 270,771.78 is: 406,157.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,725.78 : 1,528,087.05 = 270,771.78 : x
  2. Step 2: Convert to fraction form
    1,018,725.78/1,528,087.05 = 270,771.78/x
  3. Step 3: Cross multiply
    1,018,725.78x = 1,528,087.05 × 270,771.78
  4. Step 4: Simplify right side
    1,018,725.78x = 413,762,850,523.45
  5. Step 5: Solve for x
    x = 413,762,850,523.45/1,018,725.78
  6. Step 6: Final answer
    x = 406,157.24

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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.