Home / 1,682,463.84-2,321,712.21-918,369.78

Finding the Fourth Proportional to 1,682,463.84, 2,321,712.21 and 918,369.78

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Solution

The fourth proportional to 1,682,463.84, 2,321,712.21 and 918,369.78 is: 1,267,302.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,463.84 : 2,321,712.21 = 918,369.78 : x
  2. Step 2: Convert to fraction form
    1,682,463.84/2,321,712.21 = 918,369.78/x
  3. Step 3: Cross multiply
    1,682,463.84x = 2,321,712.21 × 918,369.78
  4. Step 4: Simplify right side
    1,682,463.84x = 2,132,190,331,521.01
  5. Step 5: Solve for x
    x = 2,132,190,331,521.01/1,682,463.84
  6. Step 6: Final answer
    x = 1,267,302.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.