Home / 1,407,029.13-2,109,493.94-658,900.17

Finding the Fourth Proportional to 1,407,029.13, 2,109,493.94 and 658,900.17

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Solution

The fourth proportional to 1,407,029.13, 2,109,493.94 and 658,900.17 is: 987,858.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,029.13 : 2,109,493.94 = 658,900.17 : x
  2. Step 2: Convert to fraction form
    1,407,029.13/2,109,493.94 = 658,900.17/x
  3. Step 3: Cross multiply
    1,407,029.13x = 2,109,493.94 × 658,900.17
  4. Step 4: Simplify right side
    1,407,029.13x = 1,389,945,912,385.47
  5. Step 5: Solve for x
    x = 1,389,945,912,385.47/1,407,029.13
  6. Step 6: Final answer
    x = 987,858.66

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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.