Home / 1,059,561.21-1,589,341.80-311,607.21

Finding the Fourth Proportional to 1,059,561.21, 1,589,341.80 and 311,607.21

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Solution

The fourth proportional to 1,059,561.21, 1,589,341.80 and 311,607.21 is: 467,410.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,561.21 : 1,589,341.80 = 311,607.21 : x
  2. Step 2: Convert to fraction form
    1,059,561.21/1,589,341.80 = 311,607.21/x
  3. Step 3: Cross multiply
    1,059,561.21x = 1,589,341.80 × 311,607.21
  4. Step 4: Simplify right side
    1,059,561.21x = 495,250,364,034.38
  5. Step 5: Solve for x
    x = 495,250,364,034.38/1,059,561.21
  6. Step 6: Final answer
    x = 467,410.81

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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.