Home / 1,779,431.70-2,669,147.55-1,107,585.30

Finding the Fourth Proportional to 1,779,431.70, 2,669,147.55 and 1,107,585.30

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Solution

The fourth proportional to 1,779,431.70, 2,669,147.55 and 1,107,585.30 is: 1,661,377.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,431.70 : 2,669,147.55 = 1,107,585.30 : x
  2. Step 2: Convert to fraction form
    1,779,431.70/2,669,147.55 = 1,107,585.30/x
  3. Step 3: Cross multiply
    1,779,431.70x = 2,669,147.55 × 1,107,585.30
  4. Step 4: Simplify right side
    1,779,431.70x = 2,956,308,589,911.02
  5. Step 5: Solve for x
    x = 2,956,308,589,911.02/1,779,431.70
  6. Step 6: Final answer
    x = 1,661,377.95

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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.