Home / 1,780,682.76-2,670,730.65-501,378.84

Finding the Fourth Proportional to 1,780,682.76, 2,670,730.65 and 501,378.84

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Solution

The fourth proportional to 1,780,682.76, 2,670,730.65 and 501,378.84 is: 751,985.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,682.76 : 2,670,730.65 = 501,378.84 : x
  2. Step 2: Convert to fraction form
    1,780,682.76/2,670,730.65 = 501,378.84/x
  3. Step 3: Cross multiply
    1,780,682.76x = 2,670,730.65 × 501,378.84
  4. Step 4: Simplify right side
    1,780,682.76x = 1,339,047,835,249.45
  5. Step 5: Solve for x
    x = 1,339,047,835,249.45/1,780,682.76
  6. Step 6: Final answer
    x = 751,985.62

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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.