Home / 1,396,334.16-2,094,459.39-385,517.81

Finding the Fourth Proportional to 1,396,334.16, 2,094,459.39 and 385,517.81

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Solution

The fourth proportional to 1,396,334.16, 2,094,459.39 and 385,517.81 is: 578,265.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,334.16 : 2,094,459.39 = 385,517.81 : x
  2. Step 2: Convert to fraction form
    1,396,334.16/2,094,459.39 = 385,517.81/x
  3. Step 3: Cross multiply
    1,396,334.16x = 2,094,459.39 × 385,517.81
  4. Step 4: Simplify right side
    1,396,334.16x = 807,451,402,402.88
  5. Step 5: Solve for x
    x = 807,451,402,402.88/1,396,334.16
  6. Step 6: Final answer
    x = 578,265.16

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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.