Home / 1,107,574.33-1,661,641.70-308,855.96

Finding the Fourth Proportional to 1,107,574.33, 1,661,641.70 and 308,855.96

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Solution

The fourth proportional to 1,107,574.33, 1,661,641.70 and 308,855.96 is: 463,362.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,574.33 : 1,661,641.70 = 308,855.96 : x
  2. Step 2: Convert to fraction form
    1,107,574.33/1,661,641.70 = 308,855.96/x
  3. Step 3: Cross multiply
    1,107,574.33x = 1,661,641.70 × 308,855.96
  4. Step 4: Simplify right side
    1,107,574.33x = 513,207,939,047.57
  5. Step 5: Solve for x
    x = 513,207,939,047.57/1,107,574.33
  6. Step 6: Final answer
    x = 463,362.07

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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.