Home / 1,244,288.87-1,716,201.89-938,378.15

Finding the Fourth Proportional to 1,244,288.87, 1,716,201.89 and 938,378.15

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Solution

The fourth proportional to 1,244,288.87, 1,716,201.89 and 938,378.15 is: 1,294,270.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,288.87 : 1,716,201.89 = 938,378.15 : x
  2. Step 2: Convert to fraction form
    1,244,288.87/1,716,201.89 = 938,378.15/x
  3. Step 3: Cross multiply
    1,244,288.87x = 1,716,201.89 × 938,378.15
  4. Step 4: Simplify right side
    1,244,288.87x = 1,610,446,356,524.86
  5. Step 5: Solve for x
    x = 1,610,446,356,524.86/1,244,288.87
  6. Step 6: Final answer
    x = 1,294,270.48

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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.