Home / 1,369,975.17-1,890,519.30-758,153.82

Finding the Fourth Proportional to 1,369,975.17, 1,890,519.30 and 758,153.82

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Solution

The fourth proportional to 1,369,975.17, 1,890,519.30 and 758,153.82 is: 1,046,226.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,975.17 : 1,890,519.30 = 758,153.82 : x
  2. Step 2: Convert to fraction form
    1,369,975.17/1,890,519.30 = 758,153.82/x
  3. Step 3: Cross multiply
    1,369,975.17x = 1,890,519.30 × 758,153.82
  4. Step 4: Simplify right side
    1,369,975.17x = 1,433,304,429,078.73
  5. Step 5: Solve for x
    x = 1,433,304,429,078.73/1,369,975.17
  6. Step 6: Final answer
    x = 1,046,226.57

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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.