Home / 1,985,449.52-2,976,390.12-786,563.12

Finding the Fourth Proportional to 1,985,449.52, 2,976,390.12 and 786,563.12

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Solution

The fourth proportional to 1,985,449.52, 2,976,390.12 and 786,563.12 is: 1,179,137.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,449.52 : 2,976,390.12 = 786,563.12 : x
  2. Step 2: Convert to fraction form
    1,985,449.52/2,976,390.12 = 786,563.12/x
  3. Step 3: Cross multiply
    1,985,449.52x = 2,976,390.12 × 786,563.12
  4. Step 4: Simplify right side
    1,985,449.52x = 2,341,118,699,124.37
  5. Step 5: Solve for x
    x = 2,341,118,699,124.37/1,985,449.52
  6. Step 6: Final answer
    x = 1,179,137.86

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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.