Home / 839,255.20-1,258,882.80-725,093.80

Finding the Fourth Proportional to 839,255.20, 1,258,882.80 and 725,093.80

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Solution

The fourth proportional to 839,255.20, 1,258,882.80 and 725,093.80 is: 1,087,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,255.20 : 1,258,882.80 = 725,093.80 : x
  2. Step 2: Convert to fraction form
    839,255.20/1,258,882.80 = 725,093.80/x
  3. Step 3: Cross multiply
    839,255.20x = 1,258,882.80 × 725,093.80
  4. Step 4: Simplify right side
    839,255.20x = 912,808,113,206.64
  5. Step 5: Solve for x
    x = 912,808,113,206.64/839,255.20
  6. Step 6: Final answer
    x = 1,087,640.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.