Home / 1,683,575.10-2,525,735.79-485,403.93

Finding the Fourth Proportional to 1,683,575.10, 2,525,735.79 and 485,403.93

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Solution

The fourth proportional to 1,683,575.10, 2,525,735.79 and 485,403.93 is: 728,213.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,575.10 : 2,525,735.79 = 485,403.93 : x
  2. Step 2: Convert to fraction form
    1,683,575.10/2,525,735.79 = 485,403.93/x
  3. Step 3: Cross multiply
    1,683,575.10x = 2,525,735.79 × 485,403.93
  4. Step 4: Simplify right side
    1,683,575.10x = 1,226,002,078,607.65
  5. Step 5: Solve for x
    x = 1,226,002,078,607.65/1,683,575.10
  6. Step 6: Final answer
    x = 728,213.48

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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.