Home / 1,787,897.07-2,681,786.21-777,020.04

Finding the Fourth Proportional to 1,787,897.07, 2,681,786.21 and 777,020.04

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Solution

The fourth proportional to 1,787,897.07, 2,681,786.21 and 777,020.04 is: 1,165,504.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,897.07 : 2,681,786.21 = 777,020.04 : x
  2. Step 2: Convert to fraction form
    1,787,897.07/2,681,786.21 = 777,020.04/x
  3. Step 3: Cross multiply
    1,787,897.07x = 2,681,786.21 × 777,020.04
  4. Step 4: Simplify right side
    1,787,897.07x = 2,083,801,624,280.55
  5. Step 5: Solve for x
    x = 2,083,801,624,280.55/1,787,897.07
  6. Step 6: Final answer
    x = 1,165,504.24

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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.