Home / 1,273,426.02-1,910,375.28-420,556.77

Finding the Fourth Proportional to 1,273,426.02, 1,910,375.28 and 420,556.77

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Solution

The fourth proportional to 1,273,426.02, 1,910,375.28 and 420,556.77 is: 630,913.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,426.02 : 1,910,375.28 = 420,556.77 : x
  2. Step 2: Convert to fraction form
    1,273,426.02/1,910,375.28 = 420,556.77/x
  3. Step 3: Cross multiply
    1,273,426.02x = 1,910,375.28 × 420,556.77
  4. Step 4: Simplify right side
    1,273,426.02x = 803,421,257,244.65
  5. Step 5: Solve for x
    x = 803,421,257,244.65/1,273,426.02
  6. Step 6: Final answer
    x = 630,913.18

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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.