Home / 1,485,684.03-2,228,483.52-420,723.57

Finding the Fourth Proportional to 1,485,684.03, 2,228,483.52 and 420,723.57

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Solution

The fourth proportional to 1,485,684.03, 2,228,483.52 and 420,723.57 is: 631,073.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,684.03 : 2,228,483.52 = 420,723.57 : x
  2. Step 2: Convert to fraction form
    1,485,684.03/2,228,483.52 = 420,723.57/x
  3. Step 3: Cross multiply
    1,485,684.03x = 2,228,483.52 × 420,723.57
  4. Step 4: Simplify right side
    1,485,684.03x = 937,575,542,220.57
  5. Step 5: Solve for x
    x = 937,575,542,220.57/1,485,684.03
  6. Step 6: Final answer
    x = 631,073.31

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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.