Home / 1,392,059.87-1,921,311.92-907,784.26

Finding the Fourth Proportional to 1,392,059.87, 1,921,311.92 and 907,784.26

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Solution

The fourth proportional to 1,392,059.87, 1,921,311.92 and 907,784.26 is: 1,252,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,059.87 : 1,921,311.92 = 907,784.26 : x
  2. Step 2: Convert to fraction form
    1,392,059.87/1,921,311.92 = 907,784.26/x
  3. Step 3: Cross multiply
    1,392,059.87x = 1,921,311.92 × 907,784.26
  4. Step 4: Simplify right side
    1,392,059.87x = 1,744,136,716,992.56
  5. Step 5: Solve for x
    x = 1,744,136,716,992.56/1,392,059.87
  6. Step 6: Final answer
    x = 1,252,917.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.