Home / 1,476,359.20-2,212,789.20-766,021.60

Finding the Fourth Proportional to 1,476,359.20, 2,212,789.20 and 766,021.60

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Solution

The fourth proportional to 1,476,359.20, 2,212,789.20 and 766,021.60 is: 1,148,124.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,359.20 : 2,212,789.20 = 766,021.60 : x
  2. Step 2: Convert to fraction form
    1,476,359.20/2,212,789.20 = 766,021.60/x
  3. Step 3: Cross multiply
    1,476,359.20x = 2,212,789.20 × 766,021.60
  4. Step 4: Simplify right side
    1,476,359.20x = 1,695,044,323,446.72
  5. Step 5: Solve for x
    x = 1,695,044,323,446.72/1,476,359.20
  6. Step 6: Final answer
    x = 1,148,124.61

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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.