Home / 1,383,986.10-1,909,947.94-803,164.26

Finding the Fourth Proportional to 1,383,986.10, 1,909,947.94 and 803,164.26

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Solution

The fourth proportional to 1,383,986.10, 1,909,947.94 and 803,164.26 is: 1,108,394.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,986.10 : 1,909,947.94 = 803,164.26 : x
  2. Step 2: Convert to fraction form
    1,383,986.10/1,909,947.94 = 803,164.26/x
  3. Step 3: Cross multiply
    1,383,986.10x = 1,909,947.94 × 803,164.26
  4. Step 4: Simplify right side
    1,383,986.10x = 1,534,001,923,868.62
  5. Step 5: Solve for x
    x = 1,534,001,923,868.62/1,383,986.10
  6. Step 6: Final answer
    x = 1,108,394.02

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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.