Home / 1,074,131.79-1,611,197.69-511,460.43

Finding the Fourth Proportional to 1,074,131.79, 1,611,197.69 and 511,460.43

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Solution

The fourth proportional to 1,074,131.79, 1,611,197.69 and 511,460.43 is: 767,190.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,131.79 : 1,611,197.69 = 511,460.43 : x
  2. Step 2: Convert to fraction form
    1,074,131.79/1,611,197.69 = 511,460.43/x
  3. Step 3: Cross multiply
    1,074,131.79x = 1,611,197.69 × 511,460.43
  4. Step 4: Simplify right side
    1,074,131.79x = 824,063,860,785.11
  5. Step 5: Solve for x
    x = 824,063,860,785.11/1,074,131.79
  6. Step 6: Final answer
    x = 767,190.65

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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.