Home / 969,520.32-1,334,970.72-966,720.96

Finding the Fourth Proportional to 969,520.32, 1,334,970.72 and 966,720.96

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Solution

The fourth proportional to 969,520.32, 1,334,970.72 and 966,720.96 is: 1,331,116.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,520.32 : 1,334,970.72 = 966,720.96 : x
  2. Step 2: Convert to fraction form
    969,520.32/1,334,970.72 = 966,720.96/x
  3. Step 3: Cross multiply
    969,520.32x = 1,334,970.72 × 966,720.96
  4. Step 4: Simplify right side
    969,520.32x = 1,290,544,176,010.29
  5. Step 5: Solve for x
    x = 1,290,544,176,010.29/969,520.32
  6. Step 6: Final answer
    x = 1,331,116.17

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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.