Home / 1,145,288.97-1,717,345.80-605,836.42

Finding the Fourth Proportional to 1,145,288.97, 1,717,345.80 and 605,836.42

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Solution

The fourth proportional to 1,145,288.97, 1,717,345.80 and 605,836.42 is: 908,443.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,288.97 : 1,717,345.80 = 605,836.42 : x
  2. Step 2: Convert to fraction form
    1,145,288.97/1,717,345.80 = 605,836.42/x
  3. Step 3: Cross multiply
    1,145,288.97x = 1,717,345.80 × 605,836.42
  4. Step 4: Simplify right side
    1,145,288.97x = 1,040,430,627,080.67
  5. Step 5: Solve for x
    x = 1,040,430,627,080.67/1,145,288.97
  6. Step 6: Final answer
    x = 908,443.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.