Home / 1,100,515.80-1,648,805.40-679,299.60

Finding the Fourth Proportional to 1,100,515.80, 1,648,805.40 and 679,299.60

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Solution

The fourth proportional to 1,100,515.80, 1,648,805.40 and 679,299.60 is: 1,017,734.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,515.80 : 1,648,805.40 = 679,299.60 : x
  2. Step 2: Convert to fraction form
    1,100,515.80/1,648,805.40 = 679,299.60/x
  3. Step 3: Cross multiply
    1,100,515.80x = 1,648,805.40 × 679,299.60
  4. Step 4: Simplify right side
    1,100,515.80x = 1,120,032,848,697.84
  5. Step 5: Solve for x
    x = 1,120,032,848,697.84/1,100,515.80
  6. Step 6: Final answer
    x = 1,017,734.46

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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.