Home / 1,370,433.95-1,891,031.60-789,844.88

Finding the Fourth Proportional to 1,370,433.95, 1,891,031.60 and 789,844.88

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Solution

The fourth proportional to 1,370,433.95, 1,891,031.60 and 789,844.88 is: 1,089,889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,433.95 : 1,891,031.60 = 789,844.88 : x
  2. Step 2: Convert to fraction form
    1,370,433.95/1,891,031.60 = 789,844.88/x
  3. Step 3: Cross multiply
    1,370,433.95x = 1,891,031.60 × 789,844.88
  4. Step 4: Simplify right side
    1,370,433.95x = 1,493,621,633,880.40
  5. Step 5: Solve for x
    x = 1,493,621,633,880.40/1,370,433.95
  6. Step 6: Final answer
    x = 1,089,889.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.