Home / 1,605,718.72-2,408,675.37-646,170.65

Finding the Fourth Proportional to 1,605,718.72, 2,408,675.37 and 646,170.65

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Solution

The fourth proportional to 1,605,718.72, 2,408,675.37 and 646,170.65 is: 969,295.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,718.72 : 2,408,675.37 = 646,170.65 : x
  2. Step 2: Convert to fraction form
    1,605,718.72/2,408,675.37 = 646,170.65/x
  3. Step 3: Cross multiply
    1,605,718.72x = 2,408,675.37 × 646,170.65
  4. Step 4: Simplify right side
    1,605,718.72x = 1,556,415,329,471.89
  5. Step 5: Solve for x
    x = 1,556,415,329,471.89/1,605,718.72
  6. Step 6: Final answer
    x = 969,295.13

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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.