Home / 1,335,911.28-1,843,835.76-1,228,310.88

Finding the Fourth Proportional to 1,335,911.28, 1,843,835.76 and 1,228,310.88

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Solution

The fourth proportional to 1,335,911.28, 1,843,835.76 and 1,228,310.88 is: 1,695,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,911.28 : 1,843,835.76 = 1,228,310.88 : x
  2. Step 2: Convert to fraction form
    1,335,911.28/1,843,835.76 = 1,228,310.88/x
  3. Step 3: Cross multiply
    1,335,911.28x = 1,843,835.76 × 1,228,310.88
  4. Step 4: Simplify right side
    1,335,911.28x = 2,264,803,524,941.07
  5. Step 5: Solve for x
    x = 2,264,803,524,941.07/1,335,911.28
  6. Step 6: Final answer
    x = 1,695,324.80

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Why These Related Problems?

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