Home / 1,295,580.36-1,787,904-722,657.64

Finding the Fourth Proportional to 1,295,580.36, 1,787,904 and 722,657.64

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Solution

The fourth proportional to 1,295,580.36, 1,787,904 and 722,657.64 is: 997,269.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,580.36 : 1,787,904 = 722,657.64 : x
  2. Step 2: Convert to fraction form
    1,295,580.36/1,787,904 = 722,657.64/x
  3. Step 3: Cross multiply
    1,295,580.36x = 1,787,904 × 722,657.64
  4. Step 4: Simplify right side
    1,295,580.36x = 1,292,042,485,186.56
  5. Step 5: Solve for x
    x = 1,292,042,485,186.56/1,295,580.36
  6. Step 6: Final answer
    x = 997,269.27

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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.