Home / 993,001.28-1,489,093.67-393,879.92

Finding the Fourth Proportional to 993,001.28, 1,489,093.67 and 393,879.92

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Solution

The fourth proportional to 993,001.28, 1,489,093.67 and 393,879.92 is: 590,657.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,001.28 : 1,489,093.67 = 393,879.92 : x
  2. Step 2: Convert to fraction form
    993,001.28/1,489,093.67 = 393,879.92/x
  3. Step 3: Cross multiply
    993,001.28x = 1,489,093.67 × 393,879.92
  4. Step 4: Simplify right side
    993,001.28x = 586,524,089,151.34
  5. Step 5: Solve for x
    x = 586,524,089,151.34/993,001.28
  6. Step 6: Final answer
    x = 590,657.94

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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.