Home / 1,643,256.65-2,466,914.76-779,517.38

Finding the Fourth Proportional to 1,643,256.65, 2,466,914.76 and 779,517.38

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Solution

The fourth proportional to 1,643,256.65, 2,466,914.76 and 779,517.38 is: 1,170,238.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,256.65 : 2,466,914.76 = 779,517.38 : x
  2. Step 2: Convert to fraction form
    1,643,256.65/2,466,914.76 = 779,517.38/x
  3. Step 3: Cross multiply
    1,643,256.65x = 2,466,914.76 × 779,517.38
  4. Step 4: Simplify right side
    1,643,256.65x = 1,923,002,918,063.95
  5. Step 5: Solve for x
    x = 1,923,002,918,063.95/1,643,256.65
  6. Step 6: Final answer
    x = 1,170,238.94

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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.