Home / 1,211,379.40-1,815,027.90-957,687.40

Finding the Fourth Proportional to 1,211,379.40, 1,815,027.90 and 957,687.40

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Solution

The fourth proportional to 1,211,379.40, 1,815,027.90 and 957,687.40 is: 1,434,917.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,379.40 : 1,815,027.90 = 957,687.40 : x
  2. Step 2: Convert to fraction form
    1,211,379.40/1,815,027.90 = 957,687.40/x
  3. Step 3: Cross multiply
    1,211,379.40x = 1,815,027.90 × 957,687.40
  4. Step 4: Simplify right side
    1,211,379.40x = 1,738,229,350,478.46
  5. Step 5: Solve for x
    x = 1,738,229,350,478.46/1,211,379.40
  6. Step 6: Final answer
    x = 1,434,917.38

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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.