Home / 1,618,698.60-2,428,047.90-496,621.80

Finding the Fourth Proportional to 1,618,698.60, 2,428,047.90 and 496,621.80

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Solution

The fourth proportional to 1,618,698.60, 2,428,047.90 and 496,621.80 is: 744,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,698.60 : 2,428,047.90 = 496,621.80 : x
  2. Step 2: Convert to fraction form
    1,618,698.60/2,428,047.90 = 496,621.80/x
  3. Step 3: Cross multiply
    1,618,698.60x = 2,428,047.90 × 496,621.80
  4. Step 4: Simplify right side
    1,618,698.60x = 1,205,821,518,584.22
  5. Step 5: Solve for x
    x = 1,205,821,518,584.22/1,618,698.60
  6. Step 6: Final answer
    x = 744,932.70

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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.