Home / 1,907,327.28-2,860,993.38-487,384.74

Finding the Fourth Proportional to 1,907,327.28, 2,860,993.38 and 487,384.74

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Solution

The fourth proportional to 1,907,327.28, 2,860,993.38 and 487,384.74 is: 731,077.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,327.28 : 2,860,993.38 = 487,384.74 : x
  2. Step 2: Convert to fraction form
    1,907,327.28/2,860,993.38 = 487,384.74/x
  3. Step 3: Cross multiply
    1,907,327.28x = 2,860,993.38 × 487,384.74
  4. Step 4: Simplify right side
    1,907,327.28x = 1,394,404,514,653.02
  5. Step 5: Solve for x
    x = 1,394,404,514,653.02/1,907,327.28
  6. Step 6: Final answer
    x = 731,077.74

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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.