Home / 1,172,258.36-1,756,376.62-787,285.56

Finding the Fourth Proportional to 1,172,258.36, 1,756,376.62 and 787,285.56

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Solution

The fourth proportional to 1,172,258.36, 1,756,376.62 and 787,285.56 is: 1,179,577.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,258.36 : 1,756,376.62 = 787,285.56 : x
  2. Step 2: Convert to fraction form
    1,172,258.36/1,756,376.62 = 787,285.56/x
  3. Step 3: Cross multiply
    1,172,258.36x = 1,756,376.62 × 787,285.56
  4. Step 4: Simplify right side
    1,172,258.36x = 1,382,769,950,847.61
  5. Step 5: Solve for x
    x = 1,382,769,950,847.61/1,172,258.36
  6. Step 6: Final answer
    x = 1,179,577.81

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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.