Home / 1,721,253.70-2,579,518.57-1,089,035.74

Finding the Fourth Proportional to 1,721,253.70, 2,579,518.57 and 1,089,035.74

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Solution

The fourth proportional to 1,721,253.70, 2,579,518.57 and 1,089,035.74 is: 1,632,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,253.70 : 2,579,518.57 = 1,089,035.74 : x
  2. Step 2: Convert to fraction form
    1,721,253.70/2,579,518.57 = 1,089,035.74/x
  3. Step 3: Cross multiply
    1,721,253.70x = 2,579,518.57 × 1,089,035.74
  4. Step 4: Simplify right side
    1,721,253.70x = 2,809,187,914,723.69
  5. Step 5: Solve for x
    x = 2,809,187,914,723.69/1,721,253.70
  6. Step 6: Final answer
    x = 1,632,059.19

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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.