Home / 1,242,245.25-1,714,288.15-698,383.47

Finding the Fourth Proportional to 1,242,245.25, 1,714,288.15 and 698,383.47

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Solution

The fourth proportional to 1,242,245.25, 1,714,288.15 and 698,383.47 is: 963,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,245.25 : 1,714,288.15 = 698,383.47 : x
  2. Step 2: Convert to fraction form
    1,242,245.25/1,714,288.15 = 698,383.47/x
  3. Step 3: Cross multiply
    1,242,245.25x = 1,714,288.15 × 698,383.47
  4. Step 4: Simplify right side
    1,242,245.25x = 1,197,230,497,292.87
  5. Step 5: Solve for x
    x = 1,197,230,497,292.87/1,242,245.25
  6. Step 6: Final answer
    x = 963,763.39

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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.