Home / 1,418,898-1,958,120.52-774,359.73

Finding the Fourth Proportional to 1,418,898, 1,958,120.52 and 774,359.73

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Solution

The fourth proportional to 1,418,898, 1,958,120.52 and 774,359.73 is: 1,068,638.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,898 : 1,958,120.52 = 774,359.73 : x
  2. Step 2: Convert to fraction form
    1,418,898/1,958,120.52 = 774,359.73/x
  3. Step 3: Cross multiply
    1,418,898x = 1,958,120.52 × 774,359.73
  4. Step 4: Simplify right side
    1,418,898x = 1,516,289,677,174.66
  5. Step 5: Solve for x
    x = 1,516,289,677,174.66/1,418,898
  6. Step 6: Final answer
    x = 1,068,638.96

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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.