Home / 1,489,252.15-2,235,075.15-769,804.56

Finding the Fourth Proportional to 1,489,252.15, 2,235,075.15 and 769,804.56

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Solution

The fourth proportional to 1,489,252.15, 2,235,075.15 and 769,804.56 is: 1,155,325.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,252.15 : 2,235,075.15 = 769,804.56 : x
  2. Step 2: Convert to fraction form
    1,489,252.15/2,235,075.15 = 769,804.56/x
  3. Step 3: Cross multiply
    1,489,252.15x = 2,235,075.15 × 769,804.56
  4. Step 4: Simplify right side
    1,489,252.15x = 1,720,571,042,412.68
  5. Step 5: Solve for x
    x = 1,720,571,042,412.68/1,489,252.15
  6. Step 6: Final answer
    x = 1,155,325.54

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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.