Home / 1,383,450.80-2,075,176.20-849,239.60

Finding the Fourth Proportional to 1,383,450.80, 2,075,176.20 and 849,239.60

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Solution

The fourth proportional to 1,383,450.80, 2,075,176.20 and 849,239.60 is: 1,273,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,450.80 : 2,075,176.20 = 849,239.60 : x
  2. Step 2: Convert to fraction form
    1,383,450.80/2,075,176.20 = 849,239.60/x
  3. Step 3: Cross multiply
    1,383,450.80x = 2,075,176.20 × 849,239.60
  4. Step 4: Simplify right side
    1,383,450.80x = 1,762,321,806,017.52
  5. Step 5: Solve for x
    x = 1,762,321,806,017.52/1,383,450.80
  6. Step 6: Final answer
    x = 1,273,859.40

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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.