Home / 1,618,991.40-2,428,487.10-496,914.60

Finding the Fourth Proportional to 1,618,991.40, 2,428,487.10 and 496,914.60

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Solution

The fourth proportional to 1,618,991.40, 2,428,487.10 and 496,914.60 is: 745,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,991.40 : 2,428,487.10 = 496,914.60 : x
  2. Step 2: Convert to fraction form
    1,618,991.40/2,428,487.10 = 496,914.60/x
  3. Step 3: Cross multiply
    1,618,991.40x = 2,428,487.10 × 496,914.60
  4. Step 4: Simplify right side
    1,618,991.40x = 1,206,750,695,901.66
  5. Step 5: Solve for x
    x = 1,206,750,695,901.66/1,618,991.40
  6. Step 6: Final answer
    x = 745,371.90

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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.