Home / 1,030,720.11-1,422,564.53-571,982.06

Finding the Fourth Proportional to 1,030,720.11, 1,422,564.53 and 571,982.06

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Solution

The fourth proportional to 1,030,720.11, 1,422,564.53 and 571,982.06 is: 789,430.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,720.11 : 1,422,564.53 = 571,982.06 : x
  2. Step 2: Convert to fraction form
    1,030,720.11/1,422,564.53 = 571,982.06/x
  3. Step 3: Cross multiply
    1,030,720.11x = 1,422,564.53 × 571,982.06
  4. Step 4: Simplify right side
    1,030,720.11x = 813,681,383,046.91
  5. Step 5: Solve for x
    x = 813,681,383,046.91/1,030,720.11
  6. Step 6: Final answer
    x = 789,430.00

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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.