Home / 1,683,548.80-2,525,696.35-485,377.61

Finding the Fourth Proportional to 1,683,548.80, 2,525,696.35 and 485,377.61

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Solution

The fourth proportional to 1,683,548.80, 2,525,696.35 and 485,377.61 is: 728,173.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,548.80 : 2,525,696.35 = 485,377.61 : x
  2. Step 2: Convert to fraction form
    1,683,548.80/2,525,696.35 = 485,377.61/x
  3. Step 3: Cross multiply
    1,683,548.80x = 2,525,696.35 × 485,377.61
  4. Step 4: Simplify right side
    1,683,548.80x = 1,225,916,444,106.80
  5. Step 5: Solve for x
    x = 1,225,916,444,106.80/1,683,548.80
  6. Step 6: Final answer
    x = 728,173.99

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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.