Home / 1,386,892.84-2,080,190.22-940,479.16

Finding the Fourth Proportional to 1,386,892.84, 2,080,190.22 and 940,479.16

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Solution

The fourth proportional to 1,386,892.84, 2,080,190.22 and 940,479.16 is: 1,410,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,892.84 : 2,080,190.22 = 940,479.16 : x
  2. Step 2: Convert to fraction form
    1,386,892.84/2,080,190.22 = 940,479.16/x
  3. Step 3: Cross multiply
    1,386,892.84x = 2,080,190.22 × 940,479.16
  4. Step 4: Simplify right side
    1,386,892.84x = 1,956,375,550,745.82
  5. Step 5: Solve for x
    x = 1,956,375,550,745.82/1,386,892.84
  6. Step 6: Final answer
    x = 1,410,617.67

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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.