Home / 1,423,109.52-2,135,365.67-665,003.32

Finding the Fourth Proportional to 1,423,109.52, 2,135,365.67 and 665,003.32

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Solution

The fourth proportional to 1,423,109.52, 2,135,365.67 and 665,003.32 is: 997,832.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,109.52 : 2,135,365.67 = 665,003.32 : x
  2. Step 2: Convert to fraction form
    1,423,109.52/2,135,365.67 = 665,003.32/x
  3. Step 3: Cross multiply
    1,423,109.52x = 2,135,365.67 × 665,003.32
  4. Step 4: Simplify right side
    1,423,109.52x = 1,420,025,256,288.12
  5. Step 5: Solve for x
    x = 1,420,025,256,288.12/1,423,109.52
  6. Step 6: Final answer
    x = 997,832.73

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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.