Home / 866,301.44-1,297,433.64-842,385.92

Finding the Fourth Proportional to 866,301.44, 1,297,433.64 and 842,385.92

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Solution

The fourth proportional to 866,301.44, 1,297,433.64 and 842,385.92 is: 1,261,616.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,301.44 : 1,297,433.64 = 842,385.92 : x
  2. Step 2: Convert to fraction form
    866,301.44/1,297,433.64 = 842,385.92/x
  3. Step 3: Cross multiply
    866,301.44x = 1,297,433.64 × 842,385.92
  4. Step 4: Simplify right side
    866,301.44x = 1,092,939,830,470.35
  5. Step 5: Solve for x
    x = 1,092,939,830,470.35/866,301.44
  6. Step 6: Final answer
    x = 1,261,616.08

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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.