Home / 1,310,125.92-1,965,188.32-363,496.48

Finding the Fourth Proportional to 1,310,125.92, 1,965,188.32 and 363,496.48

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Solution

The fourth proportional to 1,310,125.92, 1,965,188.32 and 363,496.48 is: 545,244.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,125.92 : 1,965,188.32 = 363,496.48 : x
  2. Step 2: Convert to fraction form
    1,310,125.92/1,965,188.32 = 363,496.48/x
  3. Step 3: Cross multiply
    1,310,125.92x = 1,965,188.32 × 363,496.48
  4. Step 4: Simplify right side
    1,310,125.92x = 714,339,036,857.11
  5. Step 5: Solve for x
    x = 714,339,036,857.11/1,310,125.92
  6. Step 6: Final answer
    x = 545,244.56

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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.