Home / 1,320,157.62-1,980,662.90-610,651.08

Finding the Fourth Proportional to 1,320,157.62, 1,980,662.90 and 610,651.08

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Solution

The fourth proportional to 1,320,157.62, 1,980,662.90 and 610,651.08 is: 916,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,157.62 : 1,980,662.90 = 610,651.08 : x
  2. Step 2: Convert to fraction form
    1,320,157.62/1,980,662.90 = 610,651.08/x
  3. Step 3: Cross multiply
    1,320,157.62x = 1,980,662.90 × 610,651.08
  4. Step 4: Simplify right side
    1,320,157.62x = 1,209,493,945,479.22
  5. Step 5: Solve for x
    x = 1,209,493,945,479.22/1,320,157.62
  6. Step 6: Final answer
    x = 916,173.89

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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.