Home / 1,113,955.24-1,670,997.84-315,169.96

Finding the Fourth Proportional to 1,113,955.24, 1,670,997.84 and 315,169.96

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Solution

The fourth proportional to 1,113,955.24, 1,670,997.84 and 315,169.96 is: 472,773.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,955.24 : 1,670,997.84 = 315,169.96 : x
  2. Step 2: Convert to fraction form
    1,113,955.24/1,670,997.84 = 315,169.96/x
  3. Step 3: Cross multiply
    1,113,955.24x = 1,670,997.84 × 315,169.96
  4. Step 4: Simplify right side
    1,113,955.24x = 526,648,322,392.89
  5. Step 5: Solve for x
    x = 526,648,322,392.89/1,113,955.24
  6. Step 6: Final answer
    x = 472,773.32

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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.