Home / 726,062.69-1,089,146.06-193,580.93

Finding the Fourth Proportional to 726,062.69, 1,089,146.06 and 193,580.93

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Solution

The fourth proportional to 726,062.69, 1,089,146.06 and 193,580.93 is: 290,385.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,062.69 : 1,089,146.06 = 193,580.93 : x
  2. Step 2: Convert to fraction form
    726,062.69/1,089,146.06 = 193,580.93/x
  3. Step 3: Cross multiply
    726,062.69x = 1,089,146.06 × 193,580.93
  4. Step 4: Simplify right side
    726,062.69x = 210,837,907,200.64
  5. Step 5: Solve for x
    x = 210,837,907,200.64/726,062.69
  6. Step 6: Final answer
    x = 290,385.27

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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.