Home / 1,025,580.24-1,538,516.12-315,667.44

Finding the Fourth Proportional to 1,025,580.24, 1,538,516.12 and 315,667.44

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Solution

The fourth proportional to 1,025,580.24, 1,538,516.12 and 315,667.44 is: 473,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,580.24 : 1,538,516.12 = 315,667.44 : x
  2. Step 2: Convert to fraction form
    1,025,580.24/1,538,516.12 = 315,667.44/x
  3. Step 3: Cross multiply
    1,025,580.24x = 1,538,516.12 × 315,667.44
  4. Step 4: Simplify right side
    1,025,580.24x = 485,659,444,999.13
  5. Step 5: Solve for x
    x = 485,659,444,999.13/1,025,580.24
  6. Step 6: Final answer
    x = 473,546.02

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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.