Home / 1,025,297.43-1,538,093.20-315,385.35

Finding the Fourth Proportional to 1,025,297.43, 1,538,093.20 and 315,385.35

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Solution

The fourth proportional to 1,025,297.43, 1,538,093.20 and 315,385.35 is: 473,123.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,297.43 : 1,538,093.20 = 315,385.35 : x
  2. Step 2: Convert to fraction form
    1,025,297.43/1,538,093.20 = 315,385.35/x
  3. Step 3: Cross multiply
    1,025,297.43x = 1,538,093.20 × 315,385.35
  4. Step 4: Simplify right side
    1,025,297.43x = 485,092,054,524.15
  5. Step 5: Solve for x
    x = 485,092,054,524.15/1,025,297.43
  6. Step 6: Final answer
    x = 473,123.25

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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.