Home / 1,181,431.80-1,772,147.70-550,409.40

Finding the Fourth Proportional to 1,181,431.80, 1,772,147.70 and 550,409.40

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Solution

The fourth proportional to 1,181,431.80, 1,772,147.70 and 550,409.40 is: 825,614.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,431.80 : 1,772,147.70 = 550,409.40 : x
  2. Step 2: Convert to fraction form
    1,181,431.80/1,772,147.70 = 550,409.40/x
  3. Step 3: Cross multiply
    1,181,431.80x = 1,772,147.70 × 550,409.40
  4. Step 4: Simplify right side
    1,181,431.80x = 975,406,752,268.38
  5. Step 5: Solve for x
    x = 975,406,752,268.38/1,181,431.80
  6. Step 6: Final answer
    x = 825,614.10

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Similar ratio
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1.5x scale

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.