Home / 1,778,845.30-2,668,341.78-516,672.92

Finding the Fourth Proportional to 1,778,845.30, 2,668,341.78 and 516,672.92

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Solution

The fourth proportional to 1,778,845.30, 2,668,341.78 and 516,672.92 is: 775,030.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,845.30 : 2,668,341.78 = 516,672.92 : x
  2. Step 2: Convert to fraction form
    1,778,845.30/2,668,341.78 = 516,672.92/x
  3. Step 3: Cross multiply
    1,778,845.30x = 2,668,341.78 × 516,672.92
  4. Step 4: Simplify right side
    1,778,845.30x = 1,378,659,939,030.60
  5. Step 5: Solve for x
    x = 1,378,659,939,030.60/1,778,845.30
  6. Step 6: Final answer
    x = 775,030.83

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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.