Home / 1,361,885.36-2,042,966.28-521,144.24

Finding the Fourth Proportional to 1,361,885.36, 2,042,966.28 and 521,144.24

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Solution

The fourth proportional to 1,361,885.36, 2,042,966.28 and 521,144.24 is: 781,769.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,885.36 : 2,042,966.28 = 521,144.24 : x
  2. Step 2: Convert to fraction form
    1,361,885.36/2,042,966.28 = 521,144.24/x
  3. Step 3: Cross multiply
    1,361,885.36x = 2,042,966.28 × 521,144.24
  4. Step 4: Simplify right side
    1,361,885.36x = 1,064,680,109,336.23
  5. Step 5: Solve for x
    x = 1,064,680,109,336.23/1,361,885.36
  6. Step 6: Final answer
    x = 781,769.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.