Home / 889,405.60-1,226,550.48-823,352.80

Finding the Fourth Proportional to 889,405.60, 1,226,550.48 and 823,352.80

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Solution

The fourth proportional to 889,405.60, 1,226,550.48 and 823,352.80 is: 1,135,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,405.60 : 1,226,550.48 = 823,352.80 : x
  2. Step 2: Convert to fraction form
    889,405.60/1,226,550.48 = 823,352.80/x
  3. Step 3: Cross multiply
    889,405.60x = 1,226,550.48 × 823,352.80
  4. Step 4: Simplify right side
    889,405.60x = 1,009,883,772,049.34
  5. Step 5: Solve for x
    x = 1,009,883,772,049.34/889,405.60
  6. Step 6: Final answer
    x = 1,135,459.20

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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.