Home / 1,242,221.28-1,714,326.18-698,528.22

Finding the Fourth Proportional to 1,242,221.28, 1,714,326.18 and 698,528.22

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Solution

The fourth proportional to 1,242,221.28, 1,714,326.18 and 698,528.22 is: 964,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,221.28 : 1,714,326.18 = 698,528.22 : x
  2. Step 2: Convert to fraction form
    1,242,221.28/1,714,326.18 = 698,528.22/x
  3. Step 3: Cross multiply
    1,242,221.28x = 1,714,326.18 × 698,528.22
  4. Step 4: Simplify right side
    1,242,221.28x = 1,197,505,215,014.80
  5. Step 5: Solve for x
    x = 1,197,505,215,014.80/1,242,221.28
  6. Step 6: Final answer
    x = 964,003.14

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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.