Home / 1,109,843.80-1,665,543.30-711,453.40

Finding the Fourth Proportional to 1,109,843.80, 1,665,543.30 and 711,453.40

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Solution

The fourth proportional to 1,109,843.80, 1,665,543.30 and 711,453.40 is: 1,067,678.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,843.80 : 1,665,543.30 = 711,453.40 : x
  2. Step 2: Convert to fraction form
    1,109,843.80/1,665,543.30 = 711,453.40/x
  3. Step 3: Cross multiply
    1,109,843.80x = 1,665,543.30 × 711,453.40
  4. Step 4: Simplify right side
    1,109,843.80x = 1,184,956,443,632.22
  5. Step 5: Solve for x
    x = 1,184,956,443,632.22/1,109,843.80
  6. Step 6: Final answer
    x = 1,067,678.57

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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.