Home / 1,149,257.03-1,585,974.63-666,102.43

Finding the Fourth Proportional to 1,149,257.03, 1,585,974.63 and 666,102.43

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Solution

The fourth proportional to 1,149,257.03, 1,585,974.63 and 666,102.43 is: 919,221.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,257.03 : 1,585,974.63 = 666,102.43 : x
  2. Step 2: Convert to fraction form
    1,149,257.03/1,585,974.63 = 666,102.43/x
  3. Step 3: Cross multiply
    1,149,257.03x = 1,585,974.63 × 666,102.43
  4. Step 4: Simplify right side
    1,149,257.03x = 1,056,421,549,331.16
  5. Step 5: Solve for x
    x = 1,056,421,549,331.16/1,149,257.03
  6. Step 6: Final answer
    x = 919,221.31

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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.