Home / 1,242,759.66-1,714,857.64-691,345.02

Finding the Fourth Proportional to 1,242,759.66, 1,714,857.64 and 691,345.02

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Solution

The fourth proportional to 1,242,759.66, 1,714,857.64 and 691,345.02 is: 953,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,759.66 : 1,714,857.64 = 691,345.02 : x
  2. Step 2: Convert to fraction form
    1,242,759.66/1,714,857.64 = 691,345.02/x
  3. Step 3: Cross multiply
    1,242,759.66x = 1,714,857.64 × 691,345.02
  4. Step 4: Simplify right side
    1,242,759.66x = 1,185,558,289,422.95
  5. Step 5: Solve for x
    x = 1,185,558,289,422.95/1,242,759.66
  6. Step 6: Final answer
    x = 953,972.30

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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.