Home / 886,990.86-1,222,609.38-693,059.58

Finding the Fourth Proportional to 886,990.86, 1,222,609.38 and 693,059.58

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Solution

The fourth proportional to 886,990.86, 1,222,609.38 and 693,059.58 is: 955,298.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,990.86 : 1,222,609.38 = 693,059.58 : x
  2. Step 2: Convert to fraction form
    886,990.86/1,222,609.38 = 693,059.58/x
  3. Step 3: Cross multiply
    886,990.86x = 1,222,609.38 × 693,059.58
  4. Step 4: Simplify right side
    886,990.86x = 847,341,143,406.86
  5. Step 5: Solve for x
    x = 847,341,143,406.86/886,990.86
  6. Step 6: Final answer
    x = 955,298.62

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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.