Home / 1,230,996.22-1,698,770.20-687,127.26

Finding the Fourth Proportional to 1,230,996.22, 1,698,770.20 and 687,127.26

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Solution

The fourth proportional to 1,230,996.22, 1,698,770.20 and 687,127.26 is: 948,233.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,996.22 : 1,698,770.20 = 687,127.26 : x
  2. Step 2: Convert to fraction form
    1,230,996.22/1,698,770.20 = 687,127.26/x
  3. Step 3: Cross multiply
    1,230,996.22x = 1,698,770.20 × 687,127.26
  4. Step 4: Simplify right side
    1,230,996.22x = 1,167,271,312,895.65
  5. Step 5: Solve for x
    x = 1,167,271,312,895.65/1,230,996.22
  6. Step 6: Final answer
    x = 948,233.06

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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.