Home / 1,067,271.90-1,601,815.05-436,638.30

Finding the Fourth Proportional to 1,067,271.90, 1,601,815.05 and 436,638.30

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Solution

The fourth proportional to 1,067,271.90, 1,601,815.05 and 436,638.30 is: 655,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,271.90 : 1,601,815.05 = 436,638.30 : x
  2. Step 2: Convert to fraction form
    1,067,271.90/1,601,815.05 = 436,638.30/x
  3. Step 3: Cross multiply
    1,067,271.90x = 1,601,815.05 × 436,638.30
  4. Step 4: Simplify right side
    1,067,271.90x = 699,413,800,346.42
  5. Step 5: Solve for x
    x = 699,413,800,346.42/1,067,271.90
  6. Step 6: Final answer
    x = 655,328.60

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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.