Home / 1,653,397.91-2,479,467.36-979,669.34

Finding the Fourth Proportional to 1,653,397.91, 2,479,467.36 and 979,669.34

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Solution

The fourth proportional to 1,653,397.91, 2,479,467.36 and 979,669.34 is: 1,469,131.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,397.91 : 2,479,467.36 = 979,669.34 : x
  2. Step 2: Convert to fraction form
    1,653,397.91/2,479,467.36 = 979,669.34/x
  3. Step 3: Cross multiply
    1,653,397.91x = 2,479,467.36 × 979,669.34
  4. Step 4: Simplify right side
    1,653,397.91x = 2,429,058,152,122.74
  5. Step 5: Solve for x
    x = 2,429,058,152,122.74/1,653,397.91
  6. Step 6: Final answer
    x = 1,469,131.02

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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.