Home / 1,418,878.06-1,958,093.32-774,339.70

Finding the Fourth Proportional to 1,418,878.06, 1,958,093.32 and 774,339.70

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Solution

The fourth proportional to 1,418,878.06, 1,958,093.32 and 774,339.70 is: 1,068,611.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,878.06 : 1,958,093.32 = 774,339.70 : x
  2. Step 2: Convert to fraction form
    1,418,878.06/1,958,093.32 = 774,339.70/x
  3. Step 3: Cross multiply
    1,418,878.06x = 1,958,093.32 × 774,339.70
  4. Step 4: Simplify right side
    1,418,878.06x = 1,516,229,390,095.20
  5. Step 5: Solve for x
    x = 1,516,229,390,095.20/1,418,878.06
  6. Step 6: Final answer
    x = 1,068,611.48

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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.