Home / 1,420,804.19-2,131,176.08-461,258.28

Finding the Fourth Proportional to 1,420,804.19, 2,131,176.08 and 461,258.28

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Solution

The fourth proportional to 1,420,804.19, 2,131,176.08 and 461,258.28 is: 691,877.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,804.19 : 2,131,176.08 = 461,258.28 : x
  2. Step 2: Convert to fraction form
    1,420,804.19/2,131,176.08 = 461,258.28/x
  3. Step 3: Cross multiply
    1,420,804.19x = 2,131,176.08 × 461,258.28
  4. Step 4: Simplify right side
    1,420,804.19x = 983,022,614,191.09
  5. Step 5: Solve for x
    x = 983,022,614,191.09/1,420,804.19
  6. Step 6: Final answer
    x = 691,877.61

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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.