Home / 1,341,491.12-2,009,874.63-1,261,578.14

Finding the Fourth Proportional to 1,341,491.12, 2,009,874.63 and 1,261,578.14

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Solution

The fourth proportional to 1,341,491.12, 2,009,874.63 and 1,261,578.14 is: 1,890,145.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,491.12 : 2,009,874.63 = 1,261,578.14 : x
  2. Step 2: Convert to fraction form
    1,341,491.12/2,009,874.63 = 1,261,578.14/x
  3. Step 3: Cross multiply
    1,341,491.12x = 2,009,874.63 × 1,261,578.14
  4. Step 4: Simplify right side
    1,341,491.12x = 2,535,613,897,348.59
  5. Step 5: Solve for x
    x = 2,535,613,897,348.59/1,341,491.12
  6. Step 6: Final answer
    x = 1,890,145.87

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