Home / 1,420,883.82-1,960,717.32-776,167.16

Finding the Fourth Proportional to 1,420,883.82, 1,960,717.32 and 776,167.16

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Solution

The fourth proportional to 1,420,883.82, 1,960,717.32 and 776,167.16 is: 1,071,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,883.82 : 1,960,717.32 = 776,167.16 : x
  2. Step 2: Convert to fraction form
    1,420,883.82/1,960,717.32 = 776,167.16/x
  3. Step 3: Cross multiply
    1,420,883.82x = 1,960,717.32 × 776,167.16
  4. Step 4: Simplify right side
    1,420,883.82x = 1,521,844,384,023.62
  5. Step 5: Solve for x
    x = 1,521,844,384,023.62/1,420,883.82
  6. Step 6: Final answer
    x = 1,071,054.76

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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.