Home / 1,272,802.05-1,756,466.46-699,879.33

Finding the Fourth Proportional to 1,272,802.05, 1,756,466.46 and 699,879.33

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Solution

The fourth proportional to 1,272,802.05, 1,756,466.46 and 699,879.33 is: 965,833.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,802.05 : 1,756,466.46 = 699,879.33 : x
  2. Step 2: Convert to fraction form
    1,272,802.05/1,756,466.46 = 699,879.33/x
  3. Step 3: Cross multiply
    1,272,802.05x = 1,756,466.46 × 699,879.33
  4. Step 4: Simplify right side
    1,272,802.05x = 1,229,314,569,192.27
  5. Step 5: Solve for x
    x = 1,229,314,569,192.27/1,272,802.05
  6. Step 6: Final answer
    x = 965,833.27

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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.