Home / 1,322,100.86-1,812,617.03-1,298,186.01

Finding the Fourth Proportional to 1,322,100.86, 1,812,617.03 and 1,298,186.01

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Solution

The fourth proportional to 1,322,100.86, 1,812,617.03 and 1,298,186.01 is: 1,779,829.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,100.86 : 1,812,617.03 = 1,298,186.01 : x
  2. Step 2: Convert to fraction form
    1,322,100.86/1,812,617.03 = 1,298,186.01/x
  3. Step 3: Cross multiply
    1,322,100.86x = 1,812,617.03 × 1,298,186.01
  4. Step 4: Simplify right side
    1,322,100.86x = 2,353,114,073,079.22
  5. Step 5: Solve for x
    x = 2,353,114,073,079.22/1,322,100.86
  6. Step 6: Final answer
    x = 1,779,829.48

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.