Home / 1,140,028.90-1,709,077.53-499,847.47

Finding the Fourth Proportional to 1,140,028.90, 1,709,077.53 and 499,847.47

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Solution

The fourth proportional to 1,140,028.90, 1,709,077.53 and 499,847.47 is: 749,347.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,028.90 : 1,709,077.53 = 499,847.47 : x
  2. Step 2: Convert to fraction form
    1,140,028.90/1,709,077.53 = 499,847.47/x
  3. Step 3: Cross multiply
    1,140,028.90x = 1,709,077.53 × 499,847.47
  4. Step 4: Simplify right side
    1,140,028.90x = 854,278,079,404.35
  5. Step 5: Solve for x
    x = 854,278,079,404.35/1,140,028.90
  6. Step 6: Final answer
    x = 749,347.74

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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.