Home / 1,110,019.28-1,664,008.31-399,873.65

Finding the Fourth Proportional to 1,110,019.28, 1,664,008.31 and 399,873.65

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Solution

The fourth proportional to 1,110,019.28, 1,664,008.31 and 399,873.65 is: 599,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,019.28 : 1,664,008.31 = 399,873.65 : x
  2. Step 2: Convert to fraction form
    1,110,019.28/1,664,008.31 = 399,873.65/x
  3. Step 3: Cross multiply
    1,110,019.28x = 1,664,008.31 × 399,873.65
  4. Step 4: Simplify right side
    1,110,019.28x = 665,393,069,229.67
  5. Step 5: Solve for x
    x = 665,393,069,229.67/1,110,019.28
  6. Step 6: Final answer
    x = 599,442.81

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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.