Home / 1,002,920.62-1,505,099.21-426,947.72

Finding the Fourth Proportional to 1,002,920.62, 1,505,099.21 and 426,947.72

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Solution

The fourth proportional to 1,002,920.62, 1,505,099.21 and 426,947.72 is: 640,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,920.62 : 1,505,099.21 = 426,947.72 : x
  2. Step 2: Convert to fraction form
    1,002,920.62/1,505,099.21 = 426,947.72/x
  3. Step 3: Cross multiply
    1,002,920.62x = 1,505,099.21 × 426,947.72
  4. Step 4: Simplify right side
    1,002,920.62x = 642,598,678,498.36
  5. Step 5: Solve for x
    x = 642,598,678,498.36/1,002,920.62
  6. Step 6: Final answer
    x = 640,727.35

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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.