Home / 1,418,974.92-1,958,172.84-774,373.68

Finding the Fourth Proportional to 1,418,974.92, 1,958,172.84 and 774,373.68

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Solution

The fourth proportional to 1,418,974.92, 1,958,172.84 and 774,373.68 is: 1,068,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,974.92 : 1,958,172.84 = 774,373.68 : x
  2. Step 2: Convert to fraction form
    1,418,974.92/1,958,172.84 = 774,373.68/x
  3. Step 3: Cross multiply
    1,418,974.92x = 1,958,172.84 × 774,373.68
  4. Step 4: Simplify right side
    1,418,974.92x = 1,516,357,508,186.85
  5. Step 5: Solve for x
    x = 1,516,357,508,186.85/1,418,974.92
  6. Step 6: Final answer
    x = 1,068,628.83

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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.