Home / 1,028,714.64-1,542,324.30-429,847.20

Finding the Fourth Proportional to 1,028,714.64, 1,542,324.30 and 429,847.20

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Solution

The fourth proportional to 1,028,714.64, 1,542,324.30 and 429,847.20 is: 644,458.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,714.64 : 1,542,324.30 = 429,847.20 : x
  2. Step 2: Convert to fraction form
    1,028,714.64/1,542,324.30 = 429,847.20/x
  3. Step 3: Cross multiply
    1,028,714.64x = 1,542,324.30 × 429,847.20
  4. Step 4: Simplify right side
    1,028,714.64x = 662,963,781,846.96
  5. Step 5: Solve for x
    x = 662,963,781,846.96/1,028,714.64
  6. Step 6: Final answer
    x = 644,458.39

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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.