Home / 839,929.20-1,259,893.80-708,709.20

Finding the Fourth Proportional to 839,929.20, 1,259,893.80 and 708,709.20

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Solution

The fourth proportional to 839,929.20, 1,259,893.80 and 708,709.20 is: 1,063,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,929.20 : 1,259,893.80 = 708,709.20 : x
  2. Step 2: Convert to fraction form
    839,929.20/1,259,893.80 = 708,709.20/x
  3. Step 3: Cross multiply
    839,929.20x = 1,259,893.80 × 708,709.20
  4. Step 4: Simplify right side
    839,929.20x = 892,898,327,082.96
  5. Step 5: Solve for x
    x = 892,898,327,082.96/839,929.20
  6. Step 6: Final answer
    x = 1,063,063.80

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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.