Home / 1,213,780.50-1,820,758.23-465,826.50

Finding the Fourth Proportional to 1,213,780.50, 1,820,758.23 and 465,826.50

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Solution

The fourth proportional to 1,213,780.50, 1,820,758.23 and 465,826.50 is: 698,773.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,780.50 : 1,820,758.23 = 465,826.50 : x
  2. Step 2: Convert to fraction form
    1,213,780.50/1,820,758.23 = 465,826.50/x
  3. Step 3: Cross multiply
    1,213,780.50x = 1,820,758.23 × 465,826.50
  4. Step 4: Simplify right side
    1,213,780.50x = 848,157,433,627.10
  5. Step 5: Solve for x
    x = 848,157,433,627.10/1,213,780.50
  6. Step 6: Final answer
    x = 698,773.32

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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.