Home / 1,609,391.78-2,220,963.52-884,233.20

Finding the Fourth Proportional to 1,609,391.78, 2,220,963.52 and 884,233.20

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Solution

The fourth proportional to 1,609,391.78, 2,220,963.52 and 884,233.20 is: 1,220,243.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,391.78 : 2,220,963.52 = 884,233.20 : x
  2. Step 2: Convert to fraction form
    1,609,391.78/2,220,963.52 = 884,233.20/x
  3. Step 3: Cross multiply
    1,609,391.78x = 2,220,963.52 × 884,233.20
  4. Step 4: Simplify right side
    1,609,391.78x = 1,963,849,680,372.86
  5. Step 5: Solve for x
    x = 1,963,849,680,372.86/1,609,391.78
  6. Step 6: Final answer
    x = 1,220,243.39

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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.