Home / 1,252,976.90-1,729,109.30-680,017.22

Finding the Fourth Proportional to 1,252,976.90, 1,729,109.30 and 680,017.22

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Solution

The fourth proportional to 1,252,976.90, 1,729,109.30 and 680,017.22 is: 938,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,976.90 : 1,729,109.30 = 680,017.22 : x
  2. Step 2: Convert to fraction form
    1,252,976.90/1,729,109.30 = 680,017.22/x
  3. Step 3: Cross multiply
    1,252,976.90x = 1,729,109.30 × 680,017.22
  4. Step 4: Simplify right side
    1,252,976.90x = 1,175,824,092,316.64
  5. Step 5: Solve for x
    x = 1,175,824,092,316.64/1,252,976.90
  6. Step 6: Final answer
    x = 938,424.40

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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.