Home / 1,683,562.62-2,525,717.09-485,391.45

Finding the Fourth Proportional to 1,683,562.62, 2,525,717.09 and 485,391.45

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Solution

The fourth proportional to 1,683,562.62, 2,525,717.09 and 485,391.45 is: 728,194.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,562.62 : 2,525,717.09 = 485,391.45 : x
  2. Step 2: Convert to fraction form
    1,683,562.62/2,525,717.09 = 485,391.45/x
  3. Step 3: Cross multiply
    1,683,562.62x = 2,525,717.09 × 485,391.45
  4. Step 4: Simplify right side
    1,683,562.62x = 1,225,961,474,290.59
  5. Step 5: Solve for x
    x = 1,225,961,474,290.59/1,683,562.62
  6. Step 6: Final answer
    x = 728,194.76

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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.