Home / 1,217,150.88-1,679,102.64-787,569.56

Finding the Fourth Proportional to 1,217,150.88, 1,679,102.64 and 787,569.56

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Solution

The fourth proportional to 1,217,150.88, 1,679,102.64 and 787,569.56 is: 1,086,480.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,150.88 : 1,679,102.64 = 787,569.56 : x
  2. Step 2: Convert to fraction form
    1,217,150.88/1,679,102.64 = 787,569.56/x
  3. Step 3: Cross multiply
    1,217,150.88x = 1,679,102.64 × 787,569.56
  4. Step 4: Simplify right side
    1,217,150.88x = 1,322,410,127,379.64
  5. Step 5: Solve for x
    x = 1,322,410,127,379.64/1,217,150.88
  6. Step 6: Final answer
    x = 1,086,480.03

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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.