Home / 987,986.03-1,362,668.46-850,399.13

Finding the Fourth Proportional to 987,986.03, 1,362,668.46 and 850,399.13

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Solution

The fourth proportional to 987,986.03, 1,362,668.46 and 850,399.13 is: 1,172,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,986.03 : 1,362,668.46 = 850,399.13 : x
  2. Step 2: Convert to fraction form
    987,986.03/1,362,668.46 = 850,399.13/x
  3. Step 3: Cross multiply
    987,986.03x = 1,362,668.46 × 850,399.13
  4. Step 4: Simplify right side
    987,986.03x = 1,158,812,079,458.11
  5. Step 5: Solve for x
    x = 1,158,812,079,458.11/987,986.03
  6. Step 6: Final answer
    x = 1,172,903.30

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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.