Home / 1,000,351.75-1,380,485.49-547,642.75

Finding the Fourth Proportional to 1,000,351.75, 1,380,485.49 and 547,642.75

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Solution

The fourth proportional to 1,000,351.75, 1,380,485.49 and 547,642.75 is: 755,747.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,351.75 : 1,380,485.49 = 547,642.75 : x
  2. Step 2: Convert to fraction form
    1,000,351.75/1,380,485.49 = 547,642.75/x
  3. Step 3: Cross multiply
    1,000,351.75x = 1,380,485.49 × 547,642.75
  4. Step 4: Simplify right side
    1,000,351.75x = 756,012,870,078.70
  5. Step 5: Solve for x
    x = 756,012,870,078.70/1,000,351.75
  6. Step 6: Final answer
    x = 755,747.04

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1.5x scale

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.