Home / 1,273,421.52-1,910,368.53-420,552.27

Finding the Fourth Proportional to 1,273,421.52, 1,910,368.53 and 420,552.27

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Solution

The fourth proportional to 1,273,421.52, 1,910,368.53 and 420,552.27 is: 630,906.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,421.52 : 1,910,368.53 = 420,552.27 : x
  2. Step 2: Convert to fraction form
    1,273,421.52/1,910,368.53 = 420,552.27/x
  3. Step 3: Cross multiply
    1,273,421.52x = 1,910,368.53 × 420,552.27
  4. Step 4: Simplify right side
    1,273,421.52x = 803,409,821,828.06
  5. Step 5: Solve for x
    x = 803,409,821,828.06/1,273,421.52
  6. Step 6: Final answer
    x = 630,906.43

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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.