Home / 1,107,781.58-1,661,880.81-763,020.16

Finding the Fourth Proportional to 1,107,781.58, 1,661,880.81 and 763,020.16

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Solution

The fourth proportional to 1,107,781.58, 1,661,880.81 and 763,020.16 is: 1,144,673.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,781.58 : 1,661,880.81 = 763,020.16 : x
  2. Step 2: Convert to fraction form
    1,107,781.58/1,661,880.81 = 763,020.16/x
  3. Step 3: Cross multiply
    1,107,781.58x = 1,661,880.81 × 763,020.16
  4. Step 4: Simplify right side
    1,107,781.58x = 1,268,048,569,601.83
  5. Step 5: Solve for x
    x = 1,268,048,569,601.83/1,107,781.58
  6. Step 6: Final answer
    x = 1,144,673.82

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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.