Home / 1,080,720.62-1,619,331.33-658,717.10

Finding the Fourth Proportional to 1,080,720.62, 1,619,331.33 and 658,717.10

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Solution

The fourth proportional to 1,080,720.62, 1,619,331.33 and 658,717.10 is: 987,009.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,720.62 : 1,619,331.33 = 658,717.10 : x
  2. Step 2: Convert to fraction form
    1,080,720.62/1,619,331.33 = 658,717.10/x
  3. Step 3: Cross multiply
    1,080,720.62x = 1,619,331.33 × 658,717.10
  4. Step 4: Simplify right side
    1,080,720.62x = 1,066,681,237,636.74
  5. Step 5: Solve for x
    x = 1,066,681,237,636.74/1,080,720.62
  6. Step 6: Final answer
    x = 987,009.24

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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.