Home / 1,313,152.88-1,969,157.22-697,522.10

Finding the Fourth Proportional to 1,313,152.88, 1,969,157.22 and 697,522.10

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Solution

The fourth proportional to 1,313,152.88, 1,969,157.22 and 697,522.10 is: 1,045,979.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,152.88 : 1,969,157.22 = 697,522.10 : x
  2. Step 2: Convert to fraction form
    1,313,152.88/1,969,157.22 = 697,522.10/x
  3. Step 3: Cross multiply
    1,313,152.88x = 1,969,157.22 × 697,522.10
  4. Step 4: Simplify right side
    1,313,152.88x = 1,373,530,679,324.56
  5. Step 5: Solve for x
    x = 1,373,530,679,324.56/1,313,152.88
  6. Step 6: Final answer
    x = 1,045,979.26

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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.