Home / 1,047,012.75-1,571,847.99-890,237.65

Finding the Fourth Proportional to 1,047,012.75, 1,571,847.99 and 890,237.65

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Solution

The fourth proportional to 1,047,012.75, 1,571,847.99 and 890,237.65 is: 1,336,486.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,012.75 : 1,571,847.99 = 890,237.65 : x
  2. Step 2: Convert to fraction form
    1,047,012.75/1,571,847.99 = 890,237.65/x
  3. Step 3: Cross multiply
    1,047,012.75x = 1,571,847.99 × 890,237.65
  4. Step 4: Simplify right side
    1,047,012.75x = 1,399,318,260,774.82
  5. Step 5: Solve for x
    x = 1,399,318,260,774.82/1,047,012.75
  6. Step 6: Final answer
    x = 1,336,486.36

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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.