Home / 1,091,944.80-1,636,167.60-691,869.60

Finding the Fourth Proportional to 1,091,944.80, 1,636,167.60 and 691,869.60

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Solution

The fourth proportional to 1,091,944.80, 1,636,167.60 and 691,869.60 is: 1,036,695.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,944.80 : 1,636,167.60 = 691,869.60 : x
  2. Step 2: Convert to fraction form
    1,091,944.80/1,636,167.60 = 691,869.60/x
  3. Step 3: Cross multiply
    1,091,944.80x = 1,636,167.60 × 691,869.60
  4. Step 4: Simplify right side
    1,091,944.80x = 1,132,014,622,944.96
  5. Step 5: Solve for x
    x = 1,132,014,622,944.96/1,091,944.80
  6. Step 6: Final answer
    x = 1,036,695.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.