Home / 1,412,388.40-2,115,817.80-849,751.60

Finding the Fourth Proportional to 1,412,388.40, 2,115,817.80 and 849,751.60

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Solution

The fourth proportional to 1,412,388.40, 2,115,817.80 and 849,751.60 is: 1,272,963.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,388.40 : 2,115,817.80 = 849,751.60 : x
  2. Step 2: Convert to fraction form
    1,412,388.40/2,115,817.80 = 849,751.60/x
  3. Step 3: Cross multiply
    1,412,388.40x = 2,115,817.80 × 849,751.60
  4. Step 4: Simplify right side
    1,412,388.40x = 1,797,919,560,858.48
  5. Step 5: Solve for x
    x = 1,797,919,560,858.48/1,412,388.40
  6. Step 6: Final answer
    x = 1,272,963.98

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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.