Home / 1,009,937.08-1,394,218.21-628,086.88

Finding the Fourth Proportional to 1,009,937.08, 1,394,218.21 and 628,086.88

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Solution

The fourth proportional to 1,009,937.08, 1,394,218.21 and 628,086.88 is: 867,073.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,937.08 : 1,394,218.21 = 628,086.88 : x
  2. Step 2: Convert to fraction form
    1,009,937.08/1,394,218.21 = 628,086.88/x
  3. Step 3: Cross multiply
    1,009,937.08x = 1,394,218.21 × 628,086.88
  4. Step 4: Simplify right side
    1,009,937.08x = 875,690,158,586.99
  5. Step 5: Solve for x
    x = 875,690,158,586.99/1,009,937.08
  6. Step 6: Final answer
    x = 867,073.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.