Home / 1,040,047.80-1,560,071.70-408,751.80

Finding the Fourth Proportional to 1,040,047.80, 1,560,071.70 and 408,751.80

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Solution

The fourth proportional to 1,040,047.80, 1,560,071.70 and 408,751.80 is: 613,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,047.80 : 1,560,071.70 = 408,751.80 : x
  2. Step 2: Convert to fraction form
    1,040,047.80/1,560,071.70 = 408,751.80/x
  3. Step 3: Cross multiply
    1,040,047.80x = 1,560,071.70 × 408,751.80
  4. Step 4: Simplify right side
    1,040,047.80x = 637,682,115,504.06
  5. Step 5: Solve for x
    x = 637,682,115,504.06/1,040,047.80
  6. Step 6: Final answer
    x = 613,127.70

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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.