Home / 1,209,662.36-1,814,764.35-368,279.72

Finding the Fourth Proportional to 1,209,662.36, 1,814,764.35 and 368,279.72

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Solution

The fourth proportional to 1,209,662.36, 1,814,764.35 and 368,279.72 is: 552,502.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,662.36 : 1,814,764.35 = 368,279.72 : x
  2. Step 2: Convert to fraction form
    1,209,662.36/1,814,764.35 = 368,279.72/x
  3. Step 3: Cross multiply
    1,209,662.36x = 1,814,764.35 × 368,279.72
  4. Step 4: Simplify right side
    1,209,662.36x = 668,340,906,683.98
  5. Step 5: Solve for x
    x = 668,340,906,683.98/1,209,662.36
  6. Step 6: Final answer
    x = 552,502.03

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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.