Home / 1,426,817.23-1,969,007.25-782,223.60

Finding the Fourth Proportional to 1,426,817.23, 1,969,007.25 and 782,223.60

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Solution

The fourth proportional to 1,426,817.23, 1,969,007.25 and 782,223.60 is: 1,079,468.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,817.23 : 1,969,007.25 = 782,223.60 : x
  2. Step 2: Convert to fraction form
    1,426,817.23/1,969,007.25 = 782,223.60/x
  3. Step 3: Cross multiply
    1,426,817.23x = 1,969,007.25 × 782,223.60
  4. Step 4: Simplify right side
    1,426,817.23x = 1,540,203,939,521.10
  5. Step 5: Solve for x
    x = 1,540,203,939,521.10/1,426,817.23
  6. Step 6: Final answer
    x = 1,079,468.28

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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.