Home / 1,263,433-1,743,621.60-712,284.64

Finding the Fourth Proportional to 1,263,433, 1,743,621.60 and 712,284.64

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Solution

The fourth proportional to 1,263,433, 1,743,621.60 and 712,284.64 is: 983,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,433 : 1,743,621.60 = 712,284.64 : x
  2. Step 2: Convert to fraction form
    1,263,433/1,743,621.60 = 712,284.64/x
  3. Step 3: Cross multiply
    1,263,433x = 1,743,621.60 × 712,284.64
  4. Step 4: Simplify right side
    1,263,433x = 1,241,954,883,652.22
  5. Step 5: Solve for x
    x = 1,241,954,883,652.22/1,263,433
  6. Step 6: Final answer
    x = 983,000.19

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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.