Home / 1,683,629.30-2,525,817.90-485,458.40

Finding the Fourth Proportional to 1,683,629.30, 2,525,817.90 and 485,458.40

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Solution

The fourth proportional to 1,683,629.30, 2,525,817.90 and 485,458.40 is: 728,295.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,629.30 : 2,525,817.90 = 485,458.40 : x
  2. Step 2: Convert to fraction form
    1,683,629.30/2,525,817.90 = 485,458.40/x
  3. Step 3: Cross multiply
    1,683,629.30x = 2,525,817.90 × 485,458.40
  4. Step 4: Simplify right side
    1,683,629.30x = 1,226,179,516,425.36
  5. Step 5: Solve for x
    x = 1,226,179,516,425.36/1,683,629.30
  6. Step 6: Final answer
    x = 728,295.42

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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.