Home / 1,358,622.90-2,039,246.55-827,181.90

Finding the Fourth Proportional to 1,358,622.90, 2,039,246.55 and 827,181.90

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Solution

The fourth proportional to 1,358,622.90, 2,039,246.55 and 827,181.90 is: 1,241,571.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,622.90 : 2,039,246.55 = 827,181.90 : x
  2. Step 2: Convert to fraction form
    1,358,622.90/2,039,246.55 = 827,181.90/x
  3. Step 3: Cross multiply
    1,358,622.90x = 2,039,246.55 × 827,181.90
  4. Step 4: Simplify right side
    1,358,622.90x = 1,686,827,835,797.45
  5. Step 5: Solve for x
    x = 1,686,827,835,797.45/1,358,622.90
  6. Step 6: Final answer
    x = 1,241,571.77

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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.