Home / 1,369,854.72-1,890,401.80-758,033.28

Finding the Fourth Proportional to 1,369,854.72, 1,890,401.80 and 758,033.28

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Solution

The fourth proportional to 1,369,854.72, 1,890,401.80 and 758,033.28 is: 1,046,087.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,854.72 : 1,890,401.80 = 758,033.28 : x
  2. Step 2: Convert to fraction form
    1,369,854.72/1,890,401.80 = 758,033.28/x
  3. Step 3: Cross multiply
    1,369,854.72x = 1,890,401.80 × 758,033.28
  4. Step 4: Simplify right side
    1,369,854.72x = 1,432,987,476,971.90
  5. Step 5: Solve for x
    x = 1,432,987,476,971.90/1,369,854.72
  6. Step 6: Final answer
    x = 1,046,087.19

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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.