Home / 1,265,789.20-1,898,388.46-366,989.72

Finding the Fourth Proportional to 1,265,789.20, 1,898,388.46 and 366,989.72

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Solution

The fourth proportional to 1,265,789.20, 1,898,388.46 and 366,989.72 is: 550,398.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,789.20 : 1,898,388.46 = 366,989.72 : x
  2. Step 2: Convert to fraction form
    1,265,789.20/1,898,388.46 = 366,989.72/x
  3. Step 3: Cross multiply
    1,265,789.20x = 1,898,388.46 × 366,989.72
  4. Step 4: Simplify right side
    1,265,789.20x = 696,689,049,386.63
  5. Step 5: Solve for x
    x = 696,689,049,386.63/1,265,789.20
  6. Step 6: Final answer
    x = 550,398.95

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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.