Home / 726,060.69-1,089,143.06-193,578.93

Finding the Fourth Proportional to 726,060.69, 1,089,143.06 and 193,578.93

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Solution

The fourth proportional to 726,060.69, 1,089,143.06 and 193,578.93 is: 290,382.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,060.69 : 1,089,143.06 = 193,578.93 : x
  2. Step 2: Convert to fraction form
    726,060.69/1,089,143.06 = 193,578.93/x
  3. Step 3: Cross multiply
    726,060.69x = 1,089,143.06 × 193,578.93
  4. Step 4: Simplify right side
    726,060.69x = 210,835,147,203.83
  5. Step 5: Solve for x
    x = 210,835,147,203.83/726,060.69
  6. Step 6: Final answer
    x = 290,382.26

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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.