Home / 1,419,658.58-1,959,118.75-775,078.81

Finding the Fourth Proportional to 1,419,658.58, 1,959,118.75 and 775,078.81

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Solution

The fourth proportional to 1,419,658.58, 1,959,118.75 and 775,078.81 is: 1,069,603.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,658.58 : 1,959,118.75 = 775,078.81 : x
  2. Step 2: Convert to fraction form
    1,419,658.58/1,959,118.75 = 775,078.81/x
  3. Step 3: Cross multiply
    1,419,658.58x = 1,959,118.75 × 775,078.81
  4. Step 4: Simplify right side
    1,419,658.58x = 1,518,471,425,469.74
  5. Step 5: Solve for x
    x = 1,518,471,425,469.74/1,419,658.58
  6. Step 6: Final answer
    x = 1,069,603.24

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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.