Home / 1,580,229.81-2,368,449.72-810,936.36

Finding the Fourth Proportional to 1,580,229.81, 2,368,449.72 and 810,936.36

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Solution

The fourth proportional to 1,580,229.81, 2,368,449.72 and 810,936.36 is: 1,215,432.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,229.81 : 2,368,449.72 = 810,936.36 : x
  2. Step 2: Convert to fraction form
    1,580,229.81/2,368,449.72 = 810,936.36/x
  3. Step 3: Cross multiply
    1,580,229.81x = 2,368,449.72 × 810,936.36
  4. Step 4: Simplify right side
    1,580,229.81x = 1,920,661,994,779.82
  5. Step 5: Solve for x
    x = 1,920,661,994,779.82/1,580,229.81
  6. Step 6: Final answer
    x = 1,215,432.07

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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.