Home / 1,295,621.54-1,787,953.04-722,661.26

Finding the Fourth Proportional to 1,295,621.54, 1,787,953.04 and 722,661.26

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Solution

The fourth proportional to 1,295,621.54, 1,787,953.04 and 722,661.26 is: 997,269.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,621.54 : 1,787,953.04 = 722,661.26 : x
  2. Step 2: Convert to fraction form
    1,295,621.54/1,787,953.04 = 722,661.26/x
  3. Step 3: Cross multiply
    1,295,621.54x = 1,787,953.04 × 722,661.26
  4. Step 4: Simplify right side
    1,295,621.54x = 1,292,084,396,707.23
  5. Step 5: Solve for x
    x = 1,292,084,396,707.23/1,295,621.54
  6. Step 6: Final answer
    x = 997,269.93

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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.