Home / 1,072,146.33-1,479,451.50-642,415.41

Finding the Fourth Proportional to 1,072,146.33, 1,479,451.50 and 642,415.41

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Solution

The fourth proportional to 1,072,146.33, 1,479,451.50 and 642,415.41 is: 886,467.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,146.33 : 1,479,451.50 = 642,415.41 : x
  2. Step 2: Convert to fraction form
    1,072,146.33/1,479,451.50 = 642,415.41/x
  3. Step 3: Cross multiply
    1,072,146.33x = 1,479,451.50 × 642,415.41
  4. Step 4: Simplify right side
    1,072,146.33x = 950,422,441,947.62
  5. Step 5: Solve for x
    x = 950,422,441,947.62/1,072,146.33
  6. Step 6: Final answer
    x = 886,467.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.