Home / 1,275,879.75-1,760,693.40-695,109.81

Finding the Fourth Proportional to 1,275,879.75, 1,760,693.40 and 695,109.81

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Solution

The fourth proportional to 1,275,879.75, 1,760,693.40 and 695,109.81 is: 959,240.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,879.75 : 1,760,693.40 = 695,109.81 : x
  2. Step 2: Convert to fraction form
    1,275,879.75/1,760,693.40 = 695,109.81/x
  3. Step 3: Cross multiply
    1,275,879.75x = 1,760,693.40 × 695,109.81
  4. Step 4: Simplify right side
    1,275,879.75x = 1,223,875,254,742.25
  5. Step 5: Solve for x
    x = 1,223,875,254,742.25/1,275,879.75
  6. Step 6: Final answer
    x = 959,240.28

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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.