Home / 1,015,945.20-1,523,810.88-416,969.64

Finding the Fourth Proportional to 1,015,945.20, 1,523,810.88 and 416,969.64

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Solution

The fourth proportional to 1,015,945.20, 1,523,810.88 and 416,969.64 is: 625,410.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,945.20 : 1,523,810.88 = 416,969.64 : x
  2. Step 2: Convert to fraction form
    1,015,945.20/1,523,810.88 = 416,969.64/x
  3. Step 3: Cross multiply
    1,015,945.20x = 1,523,810.88 × 416,969.64
  4. Step 4: Simplify right side
    1,015,945.20x = 635,382,874,061.68
  5. Step 5: Solve for x
    x = 635,382,874,061.68/1,015,945.20
  6. Step 6: Final answer
    x = 625,410.58

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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.