Home / 1,242,743.64-1,714,969.92-698,879.25

Finding the Fourth Proportional to 1,242,743.64, 1,714,969.92 and 698,879.25

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Solution

The fourth proportional to 1,242,743.64, 1,714,969.92 and 698,879.25 is: 964,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,743.64 : 1,714,969.92 = 698,879.25 : x
  2. Step 2: Convert to fraction form
    1,242,743.64/1,714,969.92 = 698,879.25/x
  3. Step 3: Cross multiply
    1,242,743.64x = 1,714,969.92 × 698,879.25
  4. Step 4: Simplify right side
    1,242,743.64x = 1,198,556,891,462.16
  5. Step 5: Solve for x
    x = 1,198,556,891,462.16/1,242,743.64
  6. Step 6: Final answer
    x = 964,444.20

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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.