Home / 1,428,481.95-1,971,361.97-783,925.22

Finding the Fourth Proportional to 1,428,481.95, 1,971,361.97 and 783,925.22

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Solution

The fourth proportional to 1,428,481.95, 1,971,361.97 and 783,925.22 is: 1,081,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,481.95 : 1,971,361.97 = 783,925.22 : x
  2. Step 2: Convert to fraction form
    1,428,481.95/1,971,361.97 = 783,925.22/x
  3. Step 3: Cross multiply
    1,428,481.95x = 1,971,361.97 × 783,925.22
  4. Step 4: Simplify right side
    1,428,481.95x = 1,545,400,352,255.45
  5. Step 5: Solve for x
    x = 1,545,400,352,255.45/1,428,481.95
  6. Step 6: Final answer
    x = 1,081,848.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.