Home / 1,272,869.44-1,756,622.94-789,590.26

Finding the Fourth Proportional to 1,272,869.44, 1,756,622.94 and 789,590.26

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Solution

The fourth proportional to 1,272,869.44, 1,756,622.94 and 789,590.26 is: 1,089,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,869.44 : 1,756,622.94 = 789,590.26 : x
  2. Step 2: Convert to fraction form
    1,272,869.44/1,756,622.94 = 789,590.26/x
  3. Step 3: Cross multiply
    1,272,869.44x = 1,756,622.94 × 789,590.26
  4. Step 4: Simplify right side
    1,272,869.44x = 1,387,012,363,916.56
  5. Step 5: Solve for x
    x = 1,387,012,363,916.56/1,272,869.44
  6. Step 6: Final answer
    x = 1,089,673.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.