Home / 1,208,066.36-1,812,057.60-309,515.56

Finding the Fourth Proportional to 1,208,066.36, 1,812,057.60 and 309,515.56

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Solution

The fourth proportional to 1,208,066.36, 1,812,057.60 and 309,515.56 is: 464,262.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,066.36 : 1,812,057.60 = 309,515.56 : x
  2. Step 2: Convert to fraction form
    1,208,066.36/1,812,057.60 = 309,515.56/x
  3. Step 3: Cross multiply
    1,208,066.36x = 1,812,057.60 × 309,515.56
  4. Step 4: Simplify right side
    1,208,066.36x = 560,860,022,816.26
  5. Step 5: Solve for x
    x = 560,860,022,816.26/1,208,066.36
  6. Step 6: Final answer
    x = 464,262.59

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1.5x scale

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.