Home / 1,294,738.40-1,942,104.36-348,109.04

Finding the Fourth Proportional to 1,294,738.40, 1,942,104.36 and 348,109.04

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Solution

The fourth proportional to 1,294,738.40, 1,942,104.36 and 348,109.04 is: 522,162.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,738.40 : 1,942,104.36 = 348,109.04 : x
  2. Step 2: Convert to fraction form
    1,294,738.40/1,942,104.36 = 348,109.04/x
  3. Step 3: Cross multiply
    1,294,738.40x = 1,942,104.36 × 348,109.04
  4. Step 4: Simplify right side
    1,294,738.40x = 676,064,084,339.41
  5. Step 5: Solve for x
    x = 676,064,084,339.41/1,294,738.40
  6. Step 6: Final answer
    x = 522,162.69

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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.