Home / 1,089,360.72-1,503,296.16-605,915.44

Finding the Fourth Proportional to 1,089,360.72, 1,503,296.16 and 605,915.44

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Solution

The fourth proportional to 1,089,360.72, 1,503,296.16 and 605,915.44 is: 836,151.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,360.72 : 1,503,296.16 = 605,915.44 : x
  2. Step 2: Convert to fraction form
    1,089,360.72/1,503,296.16 = 605,915.44/x
  3. Step 3: Cross multiply
    1,089,360.72x = 1,503,296.16 × 605,915.44
  4. Step 4: Simplify right side
    1,089,360.72x = 910,870,354,236.71
  5. Step 5: Solve for x
    x = 910,870,354,236.71/1,089,360.72
  6. Step 6: Final answer
    x = 836,151.27

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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.