Home / 1,102,042.20-1,653,063.30-978,039.30

Finding the Fourth Proportional to 1,102,042.20, 1,653,063.30 and 978,039.30

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Solution

The fourth proportional to 1,102,042.20, 1,653,063.30 and 978,039.30 is: 1,467,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,042.20 : 1,653,063.30 = 978,039.30 : x
  2. Step 2: Convert to fraction form
    1,102,042.20/1,653,063.30 = 978,039.30/x
  3. Step 3: Cross multiply
    1,102,042.20x = 1,653,063.30 × 978,039.30
  4. Step 4: Simplify right side
    1,102,042.20x = 1,616,760,872,787.69
  5. Step 5: Solve for x
    x = 1,616,760,872,787.69/1,102,042.20
  6. Step 6: Final answer
    x = 1,467,058.95

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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.