Home / 1,759,431.77-2,628,231.17-1,275,820.46

Finding the Fourth Proportional to 1,759,431.77, 2,628,231.17 and 1,275,820.46

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Solution

The fourth proportional to 1,759,431.77, 2,628,231.17 and 1,275,820.46 is: 1,905,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,431.77 : 2,628,231.17 = 1,275,820.46 : x
  2. Step 2: Convert to fraction form
    1,759,431.77/2,628,231.17 = 1,275,820.46/x
  3. Step 3: Cross multiply
    1,759,431.77x = 2,628,231.17 × 1,275,820.46
  4. Step 4: Simplify right side
    1,759,431.77x = 3,353,151,100,295.74
  5. Step 5: Solve for x
    x = 3,353,151,100,295.74/1,759,431.77
  6. Step 6: Final answer
    x = 1,905,814.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.