Home / 1,263,258.40-1,743,300.96-690,298.56

Finding the Fourth Proportional to 1,263,258.40, 1,743,300.96 and 690,298.56

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Solution

The fourth proportional to 1,263,258.40, 1,743,300.96 and 690,298.56 is: 952,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,258.40 : 1,743,300.96 = 690,298.56 : x
  2. Step 2: Convert to fraction form
    1,263,258.40/1,743,300.96 = 690,298.56/x
  3. Step 3: Cross multiply
    1,263,258.40x = 1,743,300.96 × 690,298.56
  4. Step 4: Simplify right side
    1,263,258.40x = 1,203,398,142,334.62
  5. Step 5: Solve for x
    x = 1,203,398,142,334.62/1,263,258.40
  6. Step 6: Final answer
    x = 952,614.40

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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.