Home / 1,226,699.27-1,840,425.40-628,080.72

Finding the Fourth Proportional to 1,226,699.27, 1,840,425.40 and 628,080.72

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Solution

The fourth proportional to 1,226,699.27, 1,840,425.40 and 628,080.72 is: 942,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,699.27 : 1,840,425.40 = 628,080.72 : x
  2. Step 2: Convert to fraction form
    1,226,699.27/1,840,425.40 = 628,080.72/x
  3. Step 3: Cross multiply
    1,226,699.27x = 1,840,425.40 × 628,080.72
  4. Step 4: Simplify right side
    1,226,699.27x = 1,155,935,704,221.79
  5. Step 5: Solve for x
    x = 1,155,935,704,221.79/1,226,699.27
  6. Step 6: Final answer
    x = 942,313.84

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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.