Home / 1,383,456.80-2,075,185.20-849,245.60

Finding the Fourth Proportional to 1,383,456.80, 2,075,185.20 and 849,245.60

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Solution

The fourth proportional to 1,383,456.80, 2,075,185.20 and 849,245.60 is: 1,273,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,456.80 : 2,075,185.20 = 849,245.60 : x
  2. Step 2: Convert to fraction form
    1,383,456.80/2,075,185.20 = 849,245.60/x
  3. Step 3: Cross multiply
    1,383,456.80x = 2,075,185.20 × 849,245.60
  4. Step 4: Simplify right side
    1,383,456.80x = 1,762,341,900,285.12
  5. Step 5: Solve for x
    x = 1,762,341,900,285.12/1,383,456.80
  6. Step 6: Final answer
    x = 1,273,868.40

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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.