Home / 1,423,887.52-2,135,764.08-412,978.72

Finding the Fourth Proportional to 1,423,887.52, 2,135,764.08 and 412,978.72

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Solution

The fourth proportional to 1,423,887.52, 2,135,764.08 and 412,978.72 is: 619,448.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,887.52 : 2,135,764.08 = 412,978.72 : x
  2. Step 2: Convert to fraction form
    1,423,887.52/2,135,764.08 = 412,978.72/x
  3. Step 3: Cross multiply
    1,423,887.52x = 2,135,764.08 × 412,978.72
  4. Step 4: Simplify right side
    1,423,887.52x = 882,025,115,980.38
  5. Step 5: Solve for x
    x = 882,025,115,980.38/1,423,887.52
  6. Step 6: Final answer
    x = 619,448.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.