Home / 1,618,858.60-2,428,287.90-496,781.80

Finding the Fourth Proportional to 1,618,858.60, 2,428,287.90 and 496,781.80

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Solution

The fourth proportional to 1,618,858.60, 2,428,287.90 and 496,781.80 is: 745,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,858.60 : 2,428,287.90 = 496,781.80 : x
  2. Step 2: Convert to fraction form
    1,618,858.60/2,428,287.90 = 496,781.80/x
  3. Step 3: Cross multiply
    1,618,858.60x = 2,428,287.90 × 496,781.80
  4. Step 4: Simplify right side
    1,618,858.60x = 1,206,329,233,880.22
  5. Step 5: Solve for x
    x = 1,206,329,233,880.22/1,618,858.60
  6. Step 6: Final answer
    x = 745,172.70

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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.