Home / 1,004,815.20-1,507,222.80-892,840.80

Finding the Fourth Proportional to 1,004,815.20, 1,507,222.80 and 892,840.80

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Solution

The fourth proportional to 1,004,815.20, 1,507,222.80 and 892,840.80 is: 1,339,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,815.20 : 1,507,222.80 = 892,840.80 : x
  2. Step 2: Convert to fraction form
    1,004,815.20/1,507,222.80 = 892,840.80/x
  3. Step 3: Cross multiply
    1,004,815.20x = 1,507,222.80 × 892,840.80
  4. Step 4: Simplify right side
    1,004,815.20x = 1,345,710,010,530.24
  5. Step 5: Solve for x
    x = 1,345,710,010,530.24/1,004,815.20
  6. Step 6: Final answer
    x = 1,339,261.20

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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.