Home / 1,113,830.20-1,670,745.30-848,109.70

Finding the Fourth Proportional to 1,113,830.20, 1,670,745.30 and 848,109.70

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Solution

The fourth proportional to 1,113,830.20, 1,670,745.30 and 848,109.70 is: 1,272,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,830.20 : 1,670,745.30 = 848,109.70 : x
  2. Step 2: Convert to fraction form
    1,113,830.20/1,670,745.30 = 848,109.70/x
  3. Step 3: Cross multiply
    1,113,830.20x = 1,670,745.30 × 848,109.70
  4. Step 4: Simplify right side
    1,113,830.20x = 1,416,975,295,159.41
  5. Step 5: Solve for x
    x = 1,416,975,295,159.41/1,113,830.20
  6. Step 6: Final answer
    x = 1,272,164.55

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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.