Home / 1,158,847.20-1,734,771.60-1,018,879.20

Finding the Fourth Proportional to 1,158,847.20, 1,734,771.60 and 1,018,879.20

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Solution

The fourth proportional to 1,158,847.20, 1,734,771.60 and 1,018,879.20 is: 1,525,242.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,847.20 : 1,734,771.60 = 1,018,879.20 : x
  2. Step 2: Convert to fraction form
    1,158,847.20/1,734,771.60 = 1,018,879.20/x
  3. Step 3: Cross multiply
    1,158,847.20x = 1,734,771.60 × 1,018,879.20
  4. Step 4: Simplify right side
    1,158,847.20x = 1,767,522,699,990.72
  5. Step 5: Solve for x
    x = 1,767,522,699,990.72/1,158,847.20
  6. Step 6: Final answer
    x = 1,525,242.24

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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.