Home / 1,289,929.60-1,934,910.60-343,294.48

Finding the Fourth Proportional to 1,289,929.60, 1,934,910.60 and 343,294.48

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Solution

The fourth proportional to 1,289,929.60, 1,934,910.60 and 343,294.48 is: 514,946.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,929.60 : 1,934,910.60 = 343,294.48 : x
  2. Step 2: Convert to fraction form
    1,289,929.60/1,934,910.60 = 343,294.48/x
  3. Step 3: Cross multiply
    1,289,929.60x = 1,934,910.60 × 343,294.48
  4. Step 4: Simplify right side
    1,289,929.60x = 664,244,128,273.49
  5. Step 5: Solve for x
    x = 664,244,128,273.49/1,289,929.60
  6. Step 6: Final answer
    x = 514,946.03

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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.