Home / 1,415,009.36-1,952,694.60-770,422.16

Finding the Fourth Proportional to 1,415,009.36, 1,952,694.60 and 770,422.16

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Solution

The fourth proportional to 1,415,009.36, 1,952,694.60 and 770,422.16 is: 1,063,172.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,009.36 : 1,952,694.60 = 770,422.16 : x
  2. Step 2: Convert to fraction form
    1,415,009.36/1,952,694.60 = 770,422.16/x
  3. Step 3: Cross multiply
    1,415,009.36x = 1,952,694.60 × 770,422.16
  4. Step 4: Simplify right side
    1,415,009.36x = 1,504,399,191,552.34
  5. Step 5: Solve for x
    x = 1,504,399,191,552.34/1,415,009.36
  6. Step 6: Final answer
    x = 1,063,172.61

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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.