Home / 1,028,271.30-1,541,834.79-318,101.70

Finding the Fourth Proportional to 1,028,271.30, 1,541,834.79 and 318,101.70

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Solution

The fourth proportional to 1,028,271.30, 1,541,834.79 and 318,101.70 is: 476,975.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,271.30 : 1,541,834.79 = 318,101.70 : x
  2. Step 2: Convert to fraction form
    1,028,271.30/1,541,834.79 = 318,101.70/x
  3. Step 3: Cross multiply
    1,028,271.30x = 1,541,834.79 × 318,101.70
  4. Step 4: Simplify right side
    1,028,271.30x = 490,460,267,818.14
  5. Step 5: Solve for x
    x = 490,460,267,818.14/1,028,271.30
  6. Step 6: Final answer
    x = 476,975.55

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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.