Home / 1,848,081.80-2,772,401.74-783,128.20

Finding the Fourth Proportional to 1,848,081.80, 2,772,401.74 and 783,128.20

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Solution

The fourth proportional to 1,848,081.80, 2,772,401.74 and 783,128.20 is: 1,174,810.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848,081.80 : 2,772,401.74 = 783,128.20 : x
  2. Step 2: Convert to fraction form
    1,848,081.80/2,772,401.74 = 783,128.20/x
  3. Step 3: Cross multiply
    1,848,081.80x = 2,772,401.74 × 783,128.20
  4. Step 4: Simplify right side
    1,848,081.80x = 2,171,145,984,323.07
  5. Step 5: Solve for x
    x = 2,171,145,984,323.07/1,848,081.80
  6. Step 6: Final answer
    x = 1,174,810.54

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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.