Home / 1,179,290.61-1,769,028.26-421,295.85

Finding the Fourth Proportional to 1,179,290.61, 1,769,028.26 and 421,295.85

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Solution

The fourth proportional to 1,179,290.61, 1,769,028.26 and 421,295.85 is: 631,976.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,290.61 : 1,769,028.26 = 421,295.85 : x
  2. Step 2: Convert to fraction form
    1,179,290.61/1,769,028.26 = 421,295.85/x
  3. Step 3: Cross multiply
    1,179,290.61x = 1,769,028.26 × 421,295.85
  4. Step 4: Simplify right side
    1,179,290.61x = 745,284,262,364.24
  5. Step 5: Solve for x
    x = 745,284,262,364.24/1,179,290.61
  6. Step 6: Final answer
    x = 631,976.76

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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.