Home / 1,343,685.34-2,015,812.32-445,076.20

Finding the Fourth Proportional to 1,343,685.34, 2,015,812.32 and 445,076.20

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Solution

The fourth proportional to 1,343,685.34, 2,015,812.32 and 445,076.20 is: 667,708.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,685.34 : 2,015,812.32 = 445,076.20 : x
  2. Step 2: Convert to fraction form
    1,343,685.34/2,015,812.32 = 445,076.20/x
  3. Step 3: Cross multiply
    1,343,685.34x = 2,015,812.32 × 445,076.20
  4. Step 4: Simplify right side
    1,343,685.34x = 897,190,087,298.78
  5. Step 5: Solve for x
    x = 897,190,087,298.78/1,343,685.34
  6. Step 6: Final answer
    x = 667,708.47

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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.