Home / 989,716.80-1,484,575.20-989,716.80

Finding the Fourth Proportional to 989,716.80, 1,484,575.20 and 989,716.80

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Solution

The fourth proportional to 989,716.80, 1,484,575.20 and 989,716.80 is: 1,484,575.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,716.80 : 1,484,575.20 = 989,716.80 : x
  2. Step 2: Convert to fraction form
    989,716.80/1,484,575.20 = 989,716.80/x
  3. Step 3: Cross multiply
    989,716.80x = 1,484,575.20 × 989,716.80
  4. Step 4: Simplify right side
    989,716.80x = 1,469,309,016,303.36
  5. Step 5: Solve for x
    x = 1,469,309,016,303.36/989,716.80
  6. Step 6: Final answer
    x = 1,484,575.20

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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.