Home / 1,257,890.75-1,735,446.60-822,562.93

Finding the Fourth Proportional to 1,257,890.75, 1,735,446.60 and 822,562.93

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Solution

The fourth proportional to 1,257,890.75, 1,735,446.60 and 822,562.93 is: 1,134,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,890.75 : 1,735,446.60 = 822,562.93 : x
  2. Step 2: Convert to fraction form
    1,257,890.75/1,735,446.60 = 822,562.93/x
  3. Step 3: Cross multiply
    1,257,890.75x = 1,735,446.60 × 822,562.93
  4. Step 4: Simplify right side
    1,257,890.75x = 1,427,514,040,154.54
  5. Step 5: Solve for x
    x = 1,427,514,040,154.54/1,257,890.75
  6. Step 6: Final answer
    x = 1,134,847.39

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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.