Home / 911,829.75-1,258,445.34-881,886.60

Finding the Fourth Proportional to 911,829.75, 1,258,445.34 and 881,886.60

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Solution

The fourth proportional to 911,829.75, 1,258,445.34 and 881,886.60 is: 1,217,119.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,829.75 : 1,258,445.34 = 881,886.60 : x
  2. Step 2: Convert to fraction form
    911,829.75/1,258,445.34 = 881,886.60/x
  3. Step 3: Cross multiply
    911,829.75x = 1,258,445.34 × 881,886.60
  4. Step 4: Simplify right side
    911,829.75x = 1,109,806,082,178.44
  5. Step 5: Solve for x
    x = 1,109,806,082,178.44/911,829.75
  6. Step 6: Final answer
    x = 1,217,119.84

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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.