Home / 1,325,952.10-1,990,662.63-787,191.94

Finding the Fourth Proportional to 1,325,952.10, 1,990,662.63 and 787,191.94

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Solution

The fourth proportional to 1,325,952.10, 1,990,662.63 and 787,191.94 is: 1,181,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,952.10 : 1,990,662.63 = 787,191.94 : x
  2. Step 2: Convert to fraction form
    1,325,952.10/1,990,662.63 = 787,191.94/x
  3. Step 3: Cross multiply
    1,325,952.10x = 1,990,662.63 × 787,191.94
  4. Step 4: Simplify right side
    1,325,952.10x = 1,567,033,577,595.20
  5. Step 5: Solve for x
    x = 1,567,033,577,595.20/1,325,952.10
  6. Step 6: Final answer
    x = 1,181,817.64

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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.