Home / 1,331,648.32-1,837,707.20-808,365.12

Finding the Fourth Proportional to 1,331,648.32, 1,837,707.20 and 808,365.12

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Solution

The fourth proportional to 1,331,648.32, 1,837,707.20 and 808,365.12 is: 1,115,563.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,648.32 : 1,837,707.20 = 808,365.12 : x
  2. Step 2: Convert to fraction form
    1,331,648.32/1,837,707.20 = 808,365.12/x
  3. Step 3: Cross multiply
    1,331,648.32x = 1,837,707.20 × 808,365.12
  4. Step 4: Simplify right side
    1,331,648.32x = 1,485,538,401,252.86
  5. Step 5: Solve for x
    x = 1,485,538,401,252.86/1,331,648.32
  6. Step 6: Final answer
    x = 1,115,563.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.