Home / 1,025,575.44-1,538,508.96-315,662.64

Finding the Fourth Proportional to 1,025,575.44, 1,538,508.96 and 315,662.64

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Solution

The fourth proportional to 1,025,575.44, 1,538,508.96 and 315,662.64 is: 473,538.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,575.44 : 1,538,508.96 = 315,662.64 : x
  2. Step 2: Convert to fraction form
    1,025,575.44/1,538,508.96 = 315,662.64/x
  3. Step 3: Cross multiply
    1,025,575.44x = 1,538,508.96 × 315,662.64
  4. Step 4: Simplify right side
    1,025,575.44x = 485,649,799,977.25
  5. Step 5: Solve for x
    x = 485,649,799,977.25/1,025,575.44
  6. Step 6: Final answer
    x = 473,538.84

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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.