Home / 1,212,932.40-1,816,774.20-651,310.80

Finding the Fourth Proportional to 1,212,932.40, 1,816,774.20 and 651,310.80

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Solution

The fourth proportional to 1,212,932.40, 1,816,774.20 and 651,310.80 is: 975,556.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,932.40 : 1,816,774.20 = 651,310.80 : x
  2. Step 2: Convert to fraction form
    1,212,932.40/1,816,774.20 = 651,310.80/x
  3. Step 3: Cross multiply
    1,212,932.40x = 1,816,774.20 × 651,310.80
  4. Step 4: Simplify right side
    1,212,932.40x = 1,183,284,657,621.36
  5. Step 5: Solve for x
    x = 1,183,284,657,621.36/1,212,932.40
  6. Step 6: Final answer
    x = 975,556.97

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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.