Home / 1,150,117.93-1,587,169.25-666,969.94

Finding the Fourth Proportional to 1,150,117.93, 1,587,169.25 and 666,969.94

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Solution

The fourth proportional to 1,150,117.93, 1,587,169.25 and 666,969.94 is: 920,422.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,117.93 : 1,587,169.25 = 666,969.94 : x
  2. Step 2: Convert to fraction form
    1,150,117.93/1,587,169.25 = 666,969.94/x
  3. Step 3: Cross multiply
    1,150,117.93x = 1,587,169.25 × 666,969.94
  4. Step 4: Simplify right side
    1,150,117.93x = 1,058,594,179,442.35
  5. Step 5: Solve for x
    x = 1,058,594,179,442.35/1,150,117.93
  6. Step 6: Final answer
    x = 920,422.29

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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.