Home / 997,987.75-1,376,788.56-610,820.41

Finding the Fourth Proportional to 997,987.75, 1,376,788.56 and 610,820.41

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Solution

The fourth proportional to 997,987.75, 1,376,788.56 and 610,820.41 is: 842,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,987.75 : 1,376,788.56 = 610,820.41 : x
  2. Step 2: Convert to fraction form
    997,987.75/1,376,788.56 = 610,820.41/x
  3. Step 3: Cross multiply
    997,987.75x = 1,376,788.56 × 610,820.41
  4. Step 4: Simplify right side
    997,987.75x = 840,970,554,705.24
  5. Step 5: Solve for x
    x = 840,970,554,705.24/997,987.75
  6. Step 6: Final answer
    x = 842,666.21

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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.