Home / 1,289,274.24-1,933,732.80-342,721.92

Finding the Fourth Proportional to 1,289,274.24, 1,933,732.80 and 342,721.92

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Solution

The fourth proportional to 1,289,274.24, 1,933,732.80 and 342,721.92 is: 514,035.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,274.24 : 1,933,732.80 = 342,721.92 : x
  2. Step 2: Convert to fraction form
    1,289,274.24/1,933,732.80 = 342,721.92/x
  3. Step 3: Cross multiply
    1,289,274.24x = 1,933,732.80 × 342,721.92
  4. Step 4: Simplify right side
    1,289,274.24x = 662,732,617,982.98
  5. Step 5: Solve for x
    x = 662,732,617,982.98/1,289,274.24
  6. Step 6: Final answer
    x = 514,035.41

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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.