Home / 1,361,649.60-2,042,474.40-889,257.60

Finding the Fourth Proportional to 1,361,649.60, 2,042,474.40 and 889,257.60

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Solution

The fourth proportional to 1,361,649.60, 2,042,474.40 and 889,257.60 is: 1,333,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,649.60 : 2,042,474.40 = 889,257.60 : x
  2. Step 2: Convert to fraction form
    1,361,649.60/2,042,474.40 = 889,257.60/x
  3. Step 3: Cross multiply
    1,361,649.60x = 2,042,474.40 × 889,257.60
  4. Step 4: Simplify right side
    1,361,649.60x = 1,816,285,883,005.44
  5. Step 5: Solve for x
    x = 1,816,285,883,005.44/1,361,649.60
  6. Step 6: Final answer
    x = 1,333,886.40

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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.