Home / 1,458,892.42-2,188,449.29-393,919.00

Finding the Fourth Proportional to 1,458,892.42, 2,188,449.29 and 393,919.00

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Solution

The fourth proportional to 1,458,892.42, 2,188,449.29 and 393,919.00 is: 590,908.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,892.42 : 2,188,449.29 = 393,919.00 : x
  2. Step 2: Convert to fraction form
    1,458,892.42/2,188,449.29 = 393,919.00/x
  3. Step 3: Cross multiply
    1,458,892.42x = 2,188,449.29 × 393,919.00
  4. Step 4: Simplify right side
    1,458,892.42x = 862,071,751,381.18
  5. Step 5: Solve for x
    x = 862,071,751,381.18/1,458,892.42
  6. Step 6: Final answer
    x = 590,908.38

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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.