Home / 886,821.20-1,330,231.80-837,832.40

Finding the Fourth Proportional to 886,821.20, 1,330,231.80 and 837,832.40

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Solution

The fourth proportional to 886,821.20, 1,330,231.80 and 837,832.40 is: 1,256,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,821.20 : 1,330,231.80 = 837,832.40 : x
  2. Step 2: Convert to fraction form
    886,821.20/1,330,231.80 = 837,832.40/x
  3. Step 3: Cross multiply
    886,821.20x = 1,330,231.80 × 837,832.40
  4. Step 4: Simplify right side
    886,821.20x = 1,114,511,301,550.32
  5. Step 5: Solve for x
    x = 1,114,511,301,550.32/886,821.20
  6. Step 6: Final answer
    x = 1,256,748.60

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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.