Home / 1,025,342.20-1,538,086.20-315,369.10

Finding the Fourth Proportional to 1,025,342.20, 1,538,086.20 and 315,369.10

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Solution

The fourth proportional to 1,025,342.20, 1,538,086.20 and 315,369.10 is: 473,076.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,342.20 : 1,538,086.20 = 315,369.10 : x
  2. Step 2: Convert to fraction form
    1,025,342.20/1,538,086.20 = 315,369.10/x
  3. Step 3: Cross multiply
    1,025,342.20x = 1,538,086.20 × 315,369.10
  4. Step 4: Simplify right side
    1,025,342.20x = 485,064,860,616.42
  5. Step 5: Solve for x
    x = 485,064,860,616.42/1,025,342.20
  6. Step 6: Final answer
    x = 473,076.07

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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.