Home / 1,166,837.75-1,750,256.64-280,373.75

Finding the Fourth Proportional to 1,166,837.75, 1,750,256.64 and 280,373.75

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Solution

The fourth proportional to 1,166,837.75, 1,750,256.64 and 280,373.75 is: 420,560.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,837.75 : 1,750,256.64 = 280,373.75 : x
  2. Step 2: Convert to fraction form
    1,166,837.75/1,750,256.64 = 280,373.75/x
  3. Step 3: Cross multiply
    1,166,837.75x = 1,750,256.64 × 280,373.75
  4. Step 4: Simplify right side
    1,166,837.75x = 490,726,017,619.20
  5. Step 5: Solve for x
    x = 490,726,017,619.20/1,166,837.75
  6. Step 6: Final answer
    x = 420,560.63

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.