Home / 1,150,087.71-1,587,127.47-666,939.62

Finding the Fourth Proportional to 1,150,087.71, 1,587,127.47 and 666,939.62

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Solution

The fourth proportional to 1,150,087.71, 1,587,127.47 and 666,939.62 is: 920,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,087.71 : 1,587,127.47 = 666,939.62 : x
  2. Step 2: Convert to fraction form
    1,150,087.71/1,587,127.47 = 666,939.62/x
  3. Step 3: Cross multiply
    1,150,087.71x = 1,587,127.47 × 666,939.62
  4. Step 4: Simplify right side
    1,150,087.71x = 1,058,518,193,200.16
  5. Step 5: Solve for x
    x = 1,058,518,193,200.16/1,150,087.71
  6. Step 6: Final answer
    x = 920,380.40

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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.