Home / 1,222,966.73-1,687,801.04-679,208.83

Finding the Fourth Proportional to 1,222,966.73, 1,687,801.04 and 679,208.83

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Solution

The fourth proportional to 1,222,966.73, 1,687,801.04 and 679,208.83 is: 937,367.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,966.73 : 1,687,801.04 = 679,208.83 : x
  2. Step 2: Convert to fraction form
    1,222,966.73/1,687,801.04 = 679,208.83/x
  3. Step 3: Cross multiply
    1,222,966.73x = 1,687,801.04 × 679,208.83
  4. Step 4: Simplify right side
    1,222,966.73x = 1,146,369,369,651.18
  5. Step 5: Solve for x
    x = 1,146,369,369,651.18/1,222,966.73
  6. Step 6: Final answer
    x = 937,367.58

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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.