Home / 1,448,788.41-2,172,296.88-690,861.69

Finding the Fourth Proportional to 1,448,788.41, 2,172,296.88 and 690,861.69

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Solution

The fourth proportional to 1,448,788.41, 2,172,296.88 and 690,861.69 is: 1,035,870.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,788.41 : 2,172,296.88 = 690,861.69 : x
  2. Step 2: Convert to fraction form
    1,448,788.41/2,172,296.88 = 690,861.69/x
  3. Step 3: Cross multiply
    1,448,788.41x = 2,172,296.88 × 690,861.69
  4. Step 4: Simplify right side
    1,448,788.41x = 1,500,756,693,698.53
  5. Step 5: Solve for x
    x = 1,500,756,693,698.53/1,448,788.41
  6. Step 6: Final answer
    x = 1,035,870.17

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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.