Home / 1,263,701-1,895,551.76-422,252.84

Finding the Fourth Proportional to 1,263,701, 1,895,551.76 and 422,252.84

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Solution

The fourth proportional to 1,263,701, 1,895,551.76 and 422,252.84 is: 633,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,701 : 1,895,551.76 = 422,252.84 : x
  2. Step 2: Convert to fraction form
    1,263,701/1,895,551.76 = 422,252.84/x
  3. Step 3: Cross multiply
    1,263,701x = 1,895,551.76 × 422,252.84
  4. Step 4: Simplify right side
    1,263,701x = 800,402,114,027.00
  5. Step 5: Solve for x
    x = 800,402,114,027.00/1,263,701
  6. Step 6: Final answer
    x = 633,379.35

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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.