Home / 1,683,669.70-2,525,497.24-421,493.68

Finding the Fourth Proportional to 1,683,669.70, 2,525,497.24 and 421,493.68

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Solution

The fourth proportional to 1,683,669.70, 2,525,497.24 and 421,493.68 is: 632,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,669.70 : 2,525,497.24 = 421,493.68 : x
  2. Step 2: Convert to fraction form
    1,683,669.70/2,525,497.24 = 421,493.68/x
  3. Step 3: Cross multiply
    1,683,669.70x = 2,525,497.24 × 421,493.68
  4. Step 4: Simplify right side
    1,683,669.70x = 1,064,481,125,517.44
  5. Step 5: Solve for x
    x = 1,064,481,125,517.44/1,683,669.70
  6. Step 6: Final answer
    x = 632,238.69

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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.