Home / 869,824.40-1,304,736.60-745,408.40

Finding the Fourth Proportional to 869,824.40, 1,304,736.60 and 745,408.40

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Solution

The fourth proportional to 869,824.40, 1,304,736.60 and 745,408.40 is: 1,118,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,824.40 : 1,304,736.60 = 745,408.40 : x
  2. Step 2: Convert to fraction form
    869,824.40/1,304,736.60 = 745,408.40/x
  3. Step 3: Cross multiply
    869,824.40x = 1,304,736.60 × 745,408.40
  4. Step 4: Simplify right side
    869,824.40x = 972,561,621,427.44
  5. Step 5: Solve for x
    x = 972,561,621,427.44/869,824.40
  6. Step 6: Final answer
    x = 1,118,112.60

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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.