Home / 1,142,480.53-1,576,589.30-626,223.38

Finding the Fourth Proportional to 1,142,480.53, 1,576,589.30 and 626,223.38

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Solution

The fourth proportional to 1,142,480.53, 1,576,589.30 and 626,223.38 is: 864,169.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,480.53 : 1,576,589.30 = 626,223.38 : x
  2. Step 2: Convert to fraction form
    1,142,480.53/1,576,589.30 = 626,223.38/x
  3. Step 3: Cross multiply
    1,142,480.53x = 1,576,589.30 × 626,223.38
  4. Step 4: Simplify right side
    1,142,480.53x = 987,297,080,317.83
  5. Step 5: Solve for x
    x = 987,297,080,317.83/1,142,480.53
  6. Step 6: Final answer
    x = 864,169.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.