Home / 1,113,826.60-1,670,739.90-801,231.40

Finding the Fourth Proportional to 1,113,826.60, 1,670,739.90 and 801,231.40

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Solution

The fourth proportional to 1,113,826.60, 1,670,739.90 and 801,231.40 is: 1,201,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,826.60 : 1,670,739.90 = 801,231.40 : x
  2. Step 2: Convert to fraction form
    1,113,826.60/1,670,739.90 = 801,231.40/x
  3. Step 3: Cross multiply
    1,113,826.60x = 1,670,739.90 × 801,231.40
  4. Step 4: Simplify right side
    1,113,826.60x = 1,338,649,269,112.86
  5. Step 5: Solve for x
    x = 1,338,649,269,112.86/1,113,826.60
  6. Step 6: Final answer
    x = 1,201,847.10

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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.