Home / 1,418,895-1,958,116.38-774,356.73

Finding the Fourth Proportional to 1,418,895, 1,958,116.38 and 774,356.73

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Solution

The fourth proportional to 1,418,895, 1,958,116.38 and 774,356.73 is: 1,068,634.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,895 : 1,958,116.38 = 774,356.73 : x
  2. Step 2: Convert to fraction form
    1,418,895/1,958,116.38 = 774,356.73/x
  3. Step 3: Cross multiply
    1,418,895x = 1,958,116.38 × 774,356.73
  4. Step 4: Simplify right side
    1,418,895x = 1,516,280,596,976.24
  5. Step 5: Solve for x
    x = 1,516,280,596,976.24/1,418,895
  6. Step 6: Final answer
    x = 1,068,634.82

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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.