Home / 1,657,274.05-2,486,016.15-520,081.09

Finding the Fourth Proportional to 1,657,274.05, 2,486,016.15 and 520,081.09

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Solution

The fourth proportional to 1,657,274.05, 2,486,016.15 and 520,081.09 is: 780,154.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,274.05 : 2,486,016.15 = 520,081.09 : x
  2. Step 2: Convert to fraction form
    1,657,274.05/2,486,016.15 = 520,081.09/x
  3. Step 3: Cross multiply
    1,657,274.05x = 2,486,016.15 × 520,081.09
  4. Step 4: Simplify right side
    1,657,274.05x = 1,292,929,989,049.60
  5. Step 5: Solve for x
    x = 1,292,929,989,049.60/1,657,274.05
  6. Step 6: Final answer
    x = 780,154.61

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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.