Home / 1,678,982.84-2,317,078.44-944,168.36

Finding the Fourth Proportional to 1,678,982.84, 2,317,078.44 and 944,168.36

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Solution

The fourth proportional to 1,678,982.84, 2,317,078.44 and 944,168.36 is: 1,302,998.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,982.84 : 2,317,078.44 = 944,168.36 : x
  2. Step 2: Convert to fraction form
    1,678,982.84/2,317,078.44 = 944,168.36/x
  3. Step 3: Cross multiply
    1,678,982.84x = 2,317,078.44 × 944,168.36
  4. Step 4: Simplify right side
    1,678,982.84x = 2,187,712,150,686.16
  5. Step 5: Solve for x
    x = 2,187,712,150,686.16/1,678,982.84
  6. Step 6: Final answer
    x = 1,302,998.52

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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.