Home / 1,779,475.92-2,668,662.33-642,091.05

Finding the Fourth Proportional to 1,779,475.92, 2,668,662.33 and 642,091.05

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Solution

The fourth proportional to 1,779,475.92, 2,668,662.33 and 642,091.05 is: 962,937.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,475.92 : 2,668,662.33 = 642,091.05 : x
  2. Step 2: Convert to fraction form
    1,779,475.92/2,668,662.33 = 642,091.05/x
  3. Step 3: Cross multiply
    1,779,475.92x = 2,668,662.33 × 642,091.05
  4. Step 4: Simplify right side
    1,779,475.92x = 1,713,524,197,565.15
  5. Step 5: Solve for x
    x = 1,713,524,197,565.15/1,779,475.92
  6. Step 6: Final answer
    x = 962,937.56

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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.