Home / 1,334,001.18-1,840,919.50-722,153.78

Finding the Fourth Proportional to 1,334,001.18, 1,840,919.50 and 722,153.78

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Solution

The fourth proportional to 1,334,001.18, 1,840,919.50 and 722,153.78 is: 996,571.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,001.18 : 1,840,919.50 = 722,153.78 : x
  2. Step 2: Convert to fraction form
    1,334,001.18/1,840,919.50 = 722,153.78/x
  3. Step 3: Cross multiply
    1,334,001.18x = 1,840,919.50 × 722,153.78
  4. Step 4: Simplify right side
    1,334,001.18x = 1,329,426,964,590.73
  5. Step 5: Solve for x
    x = 1,329,426,964,590.73/1,334,001.18
  6. Step 6: Final answer
    x = 996,571.06

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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.