Home / 1,268,188.08-1,902,904.76-509,998.88

Finding the Fourth Proportional to 1,268,188.08, 1,902,904.76 and 509,998.88

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Solution

The fourth proportional to 1,268,188.08, 1,902,904.76 and 509,998.88 is: 765,248.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,188.08 : 1,902,904.76 = 509,998.88 : x
  2. Step 2: Convert to fraction form
    1,268,188.08/1,902,904.76 = 509,998.88/x
  3. Step 3: Cross multiply
    1,268,188.08x = 1,902,904.76 × 509,998.88
  4. Step 4: Simplify right side
    1,268,188.08x = 970,479,296,346.67
  5. Step 5: Solve for x
    x = 970,479,296,346.67/1,268,188.08
  6. Step 6: Final answer
    x = 765,248.71

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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.