Home / 1,618,135.20-2,426,619.60-819,151.20

Finding the Fourth Proportional to 1,618,135.20, 2,426,619.60 and 819,151.20

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Solution

The fourth proportional to 1,618,135.20, 2,426,619.60 and 819,151.20 is: 1,228,431.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,135.20 : 2,426,619.60 = 819,151.20 : x
  2. Step 2: Convert to fraction form
    1,618,135.20/2,426,619.60 = 819,151.20/x
  3. Step 3: Cross multiply
    1,618,135.20x = 2,426,619.60 × 819,151.20
  4. Step 4: Simplify right side
    1,618,135.20x = 1,987,768,357,283.52
  5. Step 5: Solve for x
    x = 1,987,768,357,283.52/1,618,135.20
  6. Step 6: Final answer
    x = 1,228,431.57

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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.