Home / 1,191,951-1,786,167.84-705,129.66

Finding the Fourth Proportional to 1,191,951, 1,786,167.84 and 705,129.66

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Solution

The fourth proportional to 1,191,951, 1,786,167.84 and 705,129.66 is: 1,056,654.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,951 : 1,786,167.84 = 705,129.66 : x
  2. Step 2: Convert to fraction form
    1,191,951/1,786,167.84 = 705,129.66/x
  3. Step 3: Cross multiply
    1,191,951x = 1,786,167.84 × 705,129.66
  4. Step 4: Simplify right side
    1,191,951x = 1,259,479,921,722.13
  5. Step 5: Solve for x
    x = 1,259,479,921,722.13/1,191,951
  6. Step 6: Final answer
    x = 1,056,654.11

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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.