Home / 1,689,148.99-2,533,723.48-426,976.61

Finding the Fourth Proportional to 1,689,148.99, 2,533,723.48 and 426,976.61

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Solution

The fourth proportional to 1,689,148.99, 2,533,723.48 and 426,976.61 is: 640,464.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,148.99 : 2,533,723.48 = 426,976.61 : x
  2. Step 2: Convert to fraction form
    1,689,148.99/2,533,723.48 = 426,976.61/x
  3. Step 3: Cross multiply
    1,689,148.99x = 2,533,723.48 × 426,976.61
  4. Step 4: Simplify right side
    1,689,148.99x = 1,081,840,662,167.80
  5. Step 5: Solve for x
    x = 1,081,840,662,167.80/1,689,148.99
  6. Step 6: Final answer
    x = 640,464.91

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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.