Home / 1,263,041.48-1,743,022.32-690,117.20

Finding the Fourth Proportional to 1,263,041.48, 1,743,022.32 and 690,117.20

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Solution

The fourth proportional to 1,263,041.48, 1,743,022.32 and 690,117.20 is: 952,375.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,041.48 : 1,743,022.32 = 690,117.20 : x
  2. Step 2: Convert to fraction form
    1,263,041.48/1,743,022.32 = 690,117.20/x
  3. Step 3: Cross multiply
    1,263,041.48x = 1,743,022.32 × 690,117.20
  4. Step 4: Simplify right side
    1,263,041.48x = 1,202,889,683,015.90
  5. Step 5: Solve for x
    x = 1,202,889,683,015.90/1,263,041.48
  6. Step 6: Final answer
    x = 952,375.44

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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.