Home / 1,027,605.72-1,539,725.67-547,323.78

Finding the Fourth Proportional to 1,027,605.72, 1,539,725.67 and 547,323.78

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Solution

The fourth proportional to 1,027,605.72, 1,539,725.67 and 547,323.78 is: 820,089.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,605.72 : 1,539,725.67 = 547,323.78 : x
  2. Step 2: Convert to fraction form
    1,027,605.72/1,539,725.67 = 547,323.78/x
  3. Step 3: Cross multiply
    1,027,605.72x = 1,539,725.67 × 547,323.78
  4. Step 4: Simplify right side
    1,027,605.72x = 842,728,473,867.43
  5. Step 5: Solve for x
    x = 842,728,473,867.43/1,027,605.72
  6. Step 6: Final answer
    x = 820,089.32

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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.