Home / 1,461,808.20-2,192,712.30-515,274.60

Finding the Fourth Proportional to 1,461,808.20, 2,192,712.30 and 515,274.60

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Solution

The fourth proportional to 1,461,808.20, 2,192,712.30 and 515,274.60 is: 772,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,808.20 : 2,192,712.30 = 515,274.60 : x
  2. Step 2: Convert to fraction form
    1,461,808.20/2,192,712.30 = 515,274.60/x
  3. Step 3: Cross multiply
    1,461,808.20x = 2,192,712.30 × 515,274.60
  4. Step 4: Simplify right side
    1,461,808.20x = 1,129,848,953,297.58
  5. Step 5: Solve for x
    x = 1,129,848,953,297.58/1,461,808.20
  6. Step 6: Final answer
    x = 772,911.90

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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.