Home / 1,420,818.48-2,131,563.86-461,272.22

Finding the Fourth Proportional to 1,420,818.48, 2,131,563.86 and 461,272.22

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Solution

The fourth proportional to 1,420,818.48, 2,131,563.86 and 461,272.22 is: 692,017.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,818.48 : 2,131,563.86 = 461,272.22 : x
  2. Step 2: Convert to fraction form
    1,420,818.48/2,131,563.86 = 461,272.22/x
  3. Step 3: Cross multiply
    1,420,818.48x = 2,131,563.86 × 461,272.22
  4. Step 4: Simplify right side
    1,420,818.48x = 983,231,193,773.97
  5. Step 5: Solve for x
    x = 983,231,193,773.97/1,420,818.48
  6. Step 6: Final answer
    x = 692,017.46

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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.