Home / 1,071,162.30-1,478,231.18-587,727.32

Finding the Fourth Proportional to 1,071,162.30, 1,478,231.18 and 587,727.32

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Solution

The fourth proportional to 1,071,162.30, 1,478,231.18 and 587,727.32 is: 811,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,162.30 : 1,478,231.18 = 587,727.32 : x
  2. Step 2: Convert to fraction form
    1,071,162.30/1,478,231.18 = 587,727.32/x
  3. Step 3: Cross multiply
    1,071,162.30x = 1,478,231.18 × 587,727.32
  4. Step 4: Simplify right side
    1,071,162.30x = 868,796,846,620.07
  5. Step 5: Solve for x
    x = 868,796,846,620.07/1,071,162.30
  6. Step 6: Final answer
    x = 811,078.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.