Home / 1,767,121.80-2,650,682.70-868,702.20

Finding the Fourth Proportional to 1,767,121.80, 2,650,682.70 and 868,702.20

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Solution

The fourth proportional to 1,767,121.80, 2,650,682.70 and 868,702.20 is: 1,303,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767,121.80 : 2,650,682.70 = 868,702.20 : x
  2. Step 2: Convert to fraction form
    1,767,121.80/2,650,682.70 = 868,702.20/x
  3. Step 3: Cross multiply
    1,767,121.80x = 2,650,682.70 × 868,702.20
  4. Step 4: Simplify right side
    1,767,121.80x = 2,302,653,892,991.94
  5. Step 5: Solve for x
    x = 2,302,653,892,991.94/1,767,121.80
  6. Step 6: Final answer
    x = 1,303,053.30

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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.