Home / 1,150,117.43-1,587,168.56-666,969.44

Finding the Fourth Proportional to 1,150,117.43, 1,587,168.56 and 666,969.44

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Solution

The fourth proportional to 1,150,117.43, 1,587,168.56 and 666,969.44 is: 920,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,117.43 : 1,587,168.56 = 666,969.44 : x
  2. Step 2: Convert to fraction form
    1,150,117.43/1,587,168.56 = 666,969.44/x
  3. Step 3: Cross multiply
    1,150,117.43x = 1,587,168.56 × 666,969.44
  4. Step 4: Simplify right side
    1,150,117.43x = 1,058,592,925,648.81
  5. Step 5: Solve for x
    x = 1,058,592,925,648.81/1,150,117.43
  6. Step 6: Final answer
    x = 920,421.60

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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.