Home / 1,447,087.20-2,170,649.09-548,287.57

Finding the Fourth Proportional to 1,447,087.20, 2,170,649.09 and 548,287.57

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Solution

The fourth proportional to 1,447,087.20, 2,170,649.09 and 548,287.57 is: 822,438.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,087.20 : 2,170,649.09 = 548,287.57 : x
  2. Step 2: Convert to fraction form
    1,447,087.20/2,170,649.09 = 548,287.57/x
  3. Step 3: Cross multiply
    1,447,087.20x = 2,170,649.09 × 548,287.57
  4. Step 4: Simplify right side
    1,447,087.20x = 1,190,139,914,878.81
  5. Step 5: Solve for x
    x = 1,190,139,914,878.81/1,447,087.20
  6. Step 6: Final answer
    x = 822,438.28

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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.