Home / 1,493,129.60-2,239,694.40-886,893.20

Finding the Fourth Proportional to 1,493,129.60, 2,239,694.40 and 886,893.20

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Solution

The fourth proportional to 1,493,129.60, 2,239,694.40 and 886,893.20 is: 1,330,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,129.60 : 2,239,694.40 = 886,893.20 : x
  2. Step 2: Convert to fraction form
    1,493,129.60/2,239,694.40 = 886,893.20/x
  3. Step 3: Cross multiply
    1,493,129.60x = 2,239,694.40 × 886,893.20
  4. Step 4: Simplify right side
    1,493,129.60x = 1,986,369,733,438.08
  5. Step 5: Solve for x
    x = 1,986,369,733,438.08/1,493,129.60
  6. Step 6: Final answer
    x = 1,330,339.80

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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.