Home / 1,301,346.15-1,795,924.76-720,566.43

Finding the Fourth Proportional to 1,301,346.15, 1,795,924.76 and 720,566.43

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Solution

The fourth proportional to 1,301,346.15, 1,795,924.76 and 720,566.43 is: 994,418.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,346.15 : 1,795,924.76 = 720,566.43 : x
  2. Step 2: Convert to fraction form
    1,301,346.15/1,795,924.76 = 720,566.43/x
  3. Step 3: Cross multiply
    1,301,346.15x = 1,795,924.76 × 720,566.43
  4. Step 4: Simplify right side
    1,301,346.15x = 1,294,083,089,258.97
  5. Step 5: Solve for x
    x = 1,294,083,089,258.97/1,301,346.15
  6. Step 6: Final answer
    x = 994,418.81

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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.