Home / 1,269,287.07-1,899,124.66-783,084.16

Finding the Fourth Proportional to 1,269,287.07, 1,899,124.66 and 783,084.16

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Solution

The fourth proportional to 1,269,287.07, 1,899,124.66 and 783,084.16 is: 1,171,661.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,287.07 : 1,899,124.66 = 783,084.16 : x
  2. Step 2: Convert to fraction form
    1,269,287.07/1,899,124.66 = 783,084.16/x
  3. Step 3: Cross multiply
    1,269,287.07x = 1,899,124.66 × 783,084.16
  4. Step 4: Simplify right side
    1,269,287.07x = 1,487,174,439,111.39
  5. Step 5: Solve for x
    x = 1,487,174,439,111.39/1,269,287.07
  6. Step 6: Final answer
    x = 1,171,661.22

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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.