Home / 1,787,284.22-2,679,419.61-775,644.14

Finding the Fourth Proportional to 1,787,284.22, 2,679,419.61 and 775,644.14

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Solution

The fourth proportional to 1,787,284.22, 2,679,419.61 and 775,644.14 is: 1,162,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,284.22 : 2,679,419.61 = 775,644.14 : x
  2. Step 2: Convert to fraction form
    1,787,284.22/2,679,419.61 = 775,644.14/x
  3. Step 3: Cross multiply
    1,787,284.22x = 2,679,419.61 × 775,644.14
  4. Step 4: Simplify right side
    1,787,284.22x = 2,078,276,119,097.59
  5. Step 5: Solve for x
    x = 2,078,276,119,097.59/1,787,284.22
  6. Step 6: Final answer
    x = 1,162,812.32

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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.