Home / 1,493,708.76-2,240,564.46-640,226.52

Finding the Fourth Proportional to 1,493,708.76, 2,240,564.46 and 640,226.52

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Solution

The fourth proportional to 1,493,708.76, 2,240,564.46 and 640,226.52 is: 960,340.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,708.76 : 2,240,564.46 = 640,226.52 : x
  2. Step 2: Convert to fraction form
    1,493,708.76/2,240,564.46 = 640,226.52/x
  3. Step 3: Cross multiply
    1,493,708.76x = 2,240,564.46 × 640,226.52
  4. Step 4: Simplify right side
    1,493,708.76x = 1,434,468,787,061.48
  5. Step 5: Solve for x
    x = 1,434,468,787,061.48/1,493,708.76
  6. Step 6: Final answer
    x = 960,340.35

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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.