Home / 1,219,078.55-1,828,738.11-420,254.93

Finding the Fourth Proportional to 1,219,078.55, 1,828,738.11 and 420,254.93

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Solution

The fourth proportional to 1,219,078.55, 1,828,738.11 and 420,254.93 is: 630,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,078.55 : 1,828,738.11 = 420,254.93 : x
  2. Step 2: Convert to fraction form
    1,219,078.55/1,828,738.11 = 420,254.93/x
  3. Step 3: Cross multiply
    1,219,078.55x = 1,828,738.11 × 420,254.93
  4. Step 4: Simplify right side
    1,219,078.55x = 768,536,195,161.42
  5. Step 5: Solve for x
    x = 768,536,195,161.42/1,219,078.55
  6. Step 6: Final answer
    x = 630,423.85

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