Home / 987,165.33-1,360,970.78-783,889.14

Finding the Fourth Proportional to 987,165.33, 1,360,970.78 and 783,889.14

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Solution

The fourth proportional to 987,165.33, 1,360,970.78 and 783,889.14 is: 1,080,720.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,165.33 : 1,360,970.78 = 783,889.14 : x
  2. Step 2: Convert to fraction form
    987,165.33/1,360,970.78 = 783,889.14/x
  3. Step 3: Cross multiply
    987,165.33x = 1,360,970.78 × 783,889.14
  4. Step 4: Simplify right side
    987,165.33x = 1,066,850,222,097.59
  5. Step 5: Solve for x
    x = 1,066,850,222,097.59/987,165.33
  6. Step 6: Final answer
    x = 1,080,720.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.