Home / 1,028,720.68-1,542,333.30-429,853.24

Finding the Fourth Proportional to 1,028,720.68, 1,542,333.30 and 429,853.24

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Solution

The fourth proportional to 1,028,720.68, 1,542,333.30 and 429,853.24 is: 644,467.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,720.68 : 1,542,333.30 = 429,853.24 : x
  2. Step 2: Convert to fraction form
    1,028,720.68/1,542,333.30 = 429,853.24/x
  3. Step 3: Cross multiply
    1,028,720.68x = 1,542,333.30 × 429,853.24
  4. Step 4: Simplify right side
    1,028,720.68x = 662,976,966,164.89
  5. Step 5: Solve for x
    x = 662,976,966,164.89/1,028,720.68
  6. Step 6: Final answer
    x = 644,467.42

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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.