Home / 1,420,357.73-1,960,093.64-775,779.44

Finding the Fourth Proportional to 1,420,357.73, 1,960,093.64 and 775,779.44

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Solution

The fourth proportional to 1,420,357.73, 1,960,093.64 and 775,779.44 is: 1,070,575.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,357.73 : 1,960,093.64 = 775,779.44 : x
  2. Step 2: Convert to fraction form
    1,420,357.73/1,960,093.64 = 775,779.44/x
  3. Step 3: Cross multiply
    1,420,357.73x = 1,960,093.64 × 775,779.44
  4. Step 4: Simplify right side
    1,420,357.73x = 1,520,600,338,525.74
  5. Step 5: Solve for x
    x = 1,520,600,338,525.74/1,420,357.73
  6. Step 6: Final answer
    x = 1,070,575.61

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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.