Home / 1,474,660.80-2,212,064.10-766,072.80

Finding the Fourth Proportional to 1,474,660.80, 2,212,064.10 and 766,072.80

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Solution

The fourth proportional to 1,474,660.80, 2,212,064.10 and 766,072.80 is: 1,149,147.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,660.80 : 2,212,064.10 = 766,072.80 : x
  2. Step 2: Convert to fraction form
    1,474,660.80/2,212,064.10 = 766,072.80/x
  3. Step 3: Cross multiply
    1,474,660.80x = 2,212,064.10 × 766,072.80
  4. Step 4: Simplify right side
    1,474,660.80x = 1,694,602,138,866.48
  5. Step 5: Solve for x
    x = 1,694,602,138,866.48/1,474,660.80
  6. Step 6: Final answer
    x = 1,149,147.07

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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.