Home / 1,089,806.40-1,503,839.52-606,372.48

Finding the Fourth Proportional to 1,089,806.40, 1,503,839.52 and 606,372.48

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Solution

The fourth proportional to 1,089,806.40, 1,503,839.52 and 606,372.48 is: 836,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,806.40 : 1,503,839.52 = 606,372.48 : x
  2. Step 2: Convert to fraction form
    1,089,806.40/1,503,839.52 = 606,372.48/x
  3. Step 3: Cross multiply
    1,089,806.40x = 1,503,839.52 × 606,372.48
  4. Step 4: Simplify right side
    1,089,806.40x = 911,886,899,264.41
  5. Step 5: Solve for x
    x = 911,886,899,264.41/1,089,806.40
  6. Step 6: Final answer
    x = 836,742.10

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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.