Home / 1,354,559.28-1,869,350.90-810,591.60

Finding the Fourth Proportional to 1,354,559.28, 1,869,350.90 and 810,591.60

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Solution

The fourth proportional to 1,354,559.28, 1,869,350.90 and 810,591.60 is: 1,118,651.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,559.28 : 1,869,350.90 = 810,591.60 : x
  2. Step 2: Convert to fraction form
    1,354,559.28/1,869,350.90 = 810,591.60/x
  3. Step 3: Cross multiply
    1,354,559.28x = 1,869,350.90 × 810,591.60
  4. Step 4: Simplify right side
    1,354,559.28x = 1,515,280,136,992.44
  5. Step 5: Solve for x
    x = 1,515,280,136,992.44/1,354,559.28
  6. Step 6: Final answer
    x = 1,118,651.77

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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.