Home / 1,214,622.21-1,823,038.97-646,480.32

Finding the Fourth Proportional to 1,214,622.21, 1,823,038.97 and 646,480.32

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Solution

The fourth proportional to 1,214,622.21, 1,823,038.97 and 646,480.32 is: 970,308.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,622.21 : 1,823,038.97 = 646,480.32 : x
  2. Step 2: Convert to fraction form
    1,214,622.21/1,823,038.97 = 646,480.32/x
  3. Step 3: Cross multiply
    1,214,622.21x = 1,823,038.97 × 646,480.32
  4. Step 4: Simplify right side
    1,214,622.21x = 1,178,558,816,698.07
  5. Step 5: Solve for x
    x = 1,178,558,816,698.07/1,214,622.21
  6. Step 6: Final answer
    x = 970,308.96

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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.