Home / 1,340,243.58-1,849,550.46-728,396.31

Finding the Fourth Proportional to 1,340,243.58, 1,849,550.46 and 728,396.31

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Solution

The fourth proportional to 1,340,243.58, 1,849,550.46 and 728,396.31 is: 1,005,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,243.58 : 1,849,550.46 = 728,396.31 : x
  2. Step 2: Convert to fraction form
    1,340,243.58/1,849,550.46 = 728,396.31/x
  3. Step 3: Cross multiply
    1,340,243.58x = 1,849,550.46 × 728,396.31
  4. Step 4: Simplify right side
    1,340,243.58x = 1,347,205,730,222.80
  5. Step 5: Solve for x
    x = 1,347,205,730,222.80/1,340,243.58
  6. Step 6: Final answer
    x = 1,005,194.69

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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.