Home / 1,186,186.54-1,779,821.99-645,633.04

Finding the Fourth Proportional to 1,186,186.54, 1,779,821.99 and 645,633.04

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Solution

The fourth proportional to 1,186,186.54, 1,779,821.99 and 645,633.04 is: 968,744.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,186.54 : 1,779,821.99 = 645,633.04 : x
  2. Step 2: Convert to fraction form
    1,186,186.54/1,779,821.99 = 645,633.04/x
  3. Step 3: Cross multiply
    1,186,186.54x = 1,779,821.99 × 645,633.04
  4. Step 4: Simplify right side
    1,186,186.54x = 1,149,111,873,163.44
  5. Step 5: Solve for x
    x = 1,149,111,873,163.44/1,186,186.54
  6. Step 6: Final answer
    x = 968,744.66

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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.