Home / 1,071,769.72-1,477,003.40-1,052,073.26

Finding the Fourth Proportional to 1,071,769.72, 1,477,003.40 and 1,052,073.26

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Solution

The fourth proportional to 1,071,769.72, 1,477,003.40 and 1,052,073.26 is: 1,449,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,769.72 : 1,477,003.40 = 1,052,073.26 : x
  2. Step 2: Convert to fraction form
    1,071,769.72/1,477,003.40 = 1,052,073.26/x
  3. Step 3: Cross multiply
    1,071,769.72x = 1,477,003.40 × 1,052,073.26
  4. Step 4: Simplify right side
    1,071,769.72x = 1,553,915,782,069.08
  5. Step 5: Solve for x
    x = 1,553,915,782,069.08/1,071,769.72
  6. Step 6: Final answer
    x = 1,449,859.75

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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.