Home / 876,344.40-1,314,516.60-864,534.60

Finding the Fourth Proportional to 876,344.40, 1,314,516.60 and 864,534.60

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Solution

The fourth proportional to 876,344.40, 1,314,516.60 and 864,534.60 is: 1,296,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,344.40 : 1,314,516.60 = 864,534.60 : x
  2. Step 2: Convert to fraction form
    876,344.40/1,314,516.60 = 864,534.60/x
  3. Step 3: Cross multiply
    876,344.40x = 1,314,516.60 × 864,534.60
  4. Step 4: Simplify right side
    876,344.40x = 1,136,445,082,974.36
  5. Step 5: Solve for x
    x = 1,136,445,082,974.36/876,344.40
  6. Step 6: Final answer
    x = 1,296,801.90

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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.