Home / 1,203,292.21-1,661,298.11-774,317.83

Finding the Fourth Proportional to 1,203,292.21, 1,661,298.11 and 774,317.83

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Solution

The fourth proportional to 1,203,292.21, 1,661,298.11 and 774,317.83 is: 1,069,044.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,292.21 : 1,661,298.11 = 774,317.83 : x
  2. Step 2: Convert to fraction form
    1,203,292.21/1,661,298.11 = 774,317.83/x
  3. Step 3: Cross multiply
    1,203,292.21x = 1,661,298.11 × 774,317.83
  4. Step 4: Simplify right side
    1,203,292.21x = 1,286,372,747,518.30
  5. Step 5: Solve for x
    x = 1,286,372,747,518.30/1,203,292.21
  6. Step 6: Final answer
    x = 1,069,044.36

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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.