Home / 1,029,147.50-1,420,223.56-626,739.50

Finding the Fourth Proportional to 1,029,147.50, 1,420,223.56 and 626,739.50

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Solution

The fourth proportional to 1,029,147.50, 1,420,223.56 and 626,739.50 is: 864,900.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,147.50 : 1,420,223.56 = 626,739.50 : x
  2. Step 2: Convert to fraction form
    1,029,147.50/1,420,223.56 = 626,739.50/x
  3. Step 3: Cross multiply
    1,029,147.50x = 1,420,223.56 × 626,739.50
  4. Step 4: Simplify right side
    1,029,147.50x = 890,110,203,882.62
  5. Step 5: Solve for x
    x = 890,110,203,882.62/1,029,147.50
  6. Step 6: Final answer
    x = 864,900.52

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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.