Home / 1,489,907.64-2,056,008.78-810,842.52

Finding the Fourth Proportional to 1,489,907.64, 2,056,008.78 and 810,842.52

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Solution

The fourth proportional to 1,489,907.64, 2,056,008.78 and 810,842.52 is: 1,118,927.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,907.64 : 2,056,008.78 = 810,842.52 : x
  2. Step 2: Convert to fraction form
    1,489,907.64/2,056,008.78 = 810,842.52/x
  3. Step 3: Cross multiply
    1,489,907.64x = 2,056,008.78 × 810,842.52
  4. Step 4: Simplify right side
    1,489,907.64x = 1,667,099,340,317.33
  5. Step 5: Solve for x
    x = 1,667,099,340,317.33/1,489,907.64
  6. Step 6: Final answer
    x = 1,118,927.98

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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.