Home / 1,186,183.22-1,779,817.02-645,629.72

Finding the Fourth Proportional to 1,186,183.22, 1,779,817.02 and 645,629.72

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Solution

The fourth proportional to 1,186,183.22, 1,779,817.02 and 645,629.72 is: 968,739.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,183.22 : 1,779,817.02 = 645,629.72 : x
  2. Step 2: Convert to fraction form
    1,186,183.22/1,779,817.02 = 645,629.72/x
  3. Step 3: Cross multiply
    1,186,183.22x = 1,779,817.02 × 645,629.72
  4. Step 4: Simplify right side
    1,186,183.22x = 1,149,102,768,723.38
  5. Step 5: Solve for x
    x = 1,149,102,768,723.38/1,186,183.22
  6. Step 6: Final answer
    x = 968,739.69

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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.