Home / 1,789,223.60-2,682,913.80-666,714.80

Finding the Fourth Proportional to 1,789,223.60, 2,682,913.80 and 666,714.80

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Solution

The fourth proportional to 1,789,223.60, 2,682,913.80 and 666,714.80 is: 999,728.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,223.60 : 2,682,913.80 = 666,714.80 : x
  2. Step 2: Convert to fraction form
    1,789,223.60/2,682,913.80 = 666,714.80/x
  3. Step 3: Cross multiply
    1,789,223.60x = 2,682,913.80 × 666,714.80
  4. Step 4: Simplify right side
    1,789,223.60x = 1,788,738,337,584.24
  5. Step 5: Solve for x
    x = 1,788,738,337,584.24/1,789,223.60
  6. Step 6: Final answer
    x = 999,728.79

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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.