Home / 1,605,760.62-2,408,040.65-645,891.86

Finding the Fourth Proportional to 1,605,760.62, 2,408,040.65 and 645,891.86

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Solution

The fourth proportional to 1,605,760.62, 2,408,040.65 and 645,891.86 is: 968,596.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,760.62 : 2,408,040.65 = 645,891.86 : x
  2. Step 2: Convert to fraction form
    1,605,760.62/2,408,040.65 = 645,891.86/x
  3. Step 3: Cross multiply
    1,605,760.62x = 2,408,040.65 × 645,891.86
  4. Step 4: Simplify right side
    1,605,760.62x = 1,555,333,862,018.94
  5. Step 5: Solve for x
    x = 1,555,333,862,018.94/1,605,760.62
  6. Step 6: Final answer
    x = 968,596.34

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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.