Home / 1,245,828.06-1,868,898.03-487,571.62

Finding the Fourth Proportional to 1,245,828.06, 1,868,898.03 and 487,571.62

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Solution

The fourth proportional to 1,245,828.06, 1,868,898.03 and 487,571.62 is: 731,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,828.06 : 1,868,898.03 = 487,571.62 : x
  2. Step 2: Convert to fraction form
    1,245,828.06/1,868,898.03 = 487,571.62/x
  3. Step 3: Cross multiply
    1,245,828.06x = 1,868,898.03 × 487,571.62
  4. Step 4: Simplify right side
    1,245,828.06x = 911,221,633,601.27
  5. Step 5: Solve for x
    x = 911,221,633,601.27/1,245,828.06
  6. Step 6: Final answer
    x = 731,418.45

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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.