Home / 1,383,610.60-2,073,860.70-709,431.40

Finding the Fourth Proportional to 1,383,610.60, 2,073,860.70 and 709,431.40

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Solution

The fourth proportional to 1,383,610.60, 2,073,860.70 and 709,431.40 is: 1,063,349.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,610.60 : 2,073,860.70 = 709,431.40 : x
  2. Step 2: Convert to fraction form
    1,383,610.60/2,073,860.70 = 709,431.40/x
  3. Step 3: Cross multiply
    1,383,610.60x = 2,073,860.70 × 709,431.40
  4. Step 4: Simplify right side
    1,383,610.60x = 1,471,261,899,805.98
  5. Step 5: Solve for x
    x = 1,471,261,899,805.98/1,383,610.60
  6. Step 6: Final answer
    x = 1,063,349.69

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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.