Home / 1,150,120.18-1,587,172.36-666,972.19

Finding the Fourth Proportional to 1,150,120.18, 1,587,172.36 and 666,972.19

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Solution

The fourth proportional to 1,150,120.18, 1,587,172.36 and 666,972.19 is: 920,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,120.18 : 1,587,172.36 = 666,972.19 : x
  2. Step 2: Convert to fraction form
    1,150,120.18/1,587,172.36 = 666,972.19/x
  3. Step 3: Cross multiply
    1,150,120.18x = 1,587,172.36 × 666,972.19
  4. Step 4: Simplify right side
    1,150,120.18x = 1,058,599,824,856.67
  5. Step 5: Solve for x
    x = 1,058,599,824,856.67/1,150,120.18
  6. Step 6: Final answer
    x = 920,425.40

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1.5x scale

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.