Home / 1,213,690.50-1,820,623.23-465,736.50

Finding the Fourth Proportional to 1,213,690.50, 1,820,623.23 and 465,736.50

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Solution

The fourth proportional to 1,213,690.50, 1,820,623.23 and 465,736.50 is: 698,638.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,690.50 : 1,820,623.23 = 465,736.50 : x
  2. Step 2: Convert to fraction form
    1,213,690.50/1,820,623.23 = 465,736.50/x
  3. Step 3: Cross multiply
    1,213,690.50x = 1,820,623.23 × 465,736.50
  4. Step 4: Simplify right side
    1,213,690.50x = 847,930,690,958.90
  5. Step 5: Solve for x
    x = 847,930,690,958.90/1,213,690.50
  6. Step 6: Final answer
    x = 698,638.32

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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.