Home / 1,181,112.80-1,771,669.20-550,090.40

Finding the Fourth Proportional to 1,181,112.80, 1,771,669.20 and 550,090.40

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Solution

The fourth proportional to 1,181,112.80, 1,771,669.20 and 550,090.40 is: 825,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,112.80 : 1,771,669.20 = 550,090.40 : x
  2. Step 2: Convert to fraction form
    1,181,112.80/1,771,669.20 = 550,090.40/x
  3. Step 3: Cross multiply
    1,181,112.80x = 1,771,669.20 × 550,090.40
  4. Step 4: Simplify right side
    1,181,112.80x = 974,578,218,895.68
  5. Step 5: Solve for x
    x = 974,578,218,895.68/1,181,112.80
  6. Step 6: Final answer
    x = 825,135.60

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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.