Home / 819,365.35-1,229,488.67-789,541.69

Finding the Fourth Proportional to 819,365.35, 1,229,488.67 and 789,541.69

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Solution

The fourth proportional to 819,365.35, 1,229,488.67 and 789,541.69 is: 1,184,737.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,365.35 : 1,229,488.67 = 789,541.69 : x
  2. Step 2: Convert to fraction form
    819,365.35/1,229,488.67 = 789,541.69/x
  3. Step 3: Cross multiply
    819,365.35x = 1,229,488.67 × 789,541.69
  4. Step 4: Simplify right side
    819,365.35x = 970,732,562,347.65
  5. Step 5: Solve for x
    x = 970,732,562,347.65/819,365.35
  6. Step 6: Final answer
    x = 1,184,737.14

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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.