Home / 1,622,574.50-2,428,879.44-1,020,717.65

Finding the Fourth Proportional to 1,622,574.50, 2,428,879.44 and 1,020,717.65

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Solution

The fourth proportional to 1,622,574.50, 2,428,879.44 and 1,020,717.65 is: 1,527,942.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,574.50 : 2,428,879.44 = 1,020,717.65 : x
  2. Step 2: Convert to fraction form
    1,622,574.50/2,428,879.44 = 1,020,717.65/x
  3. Step 3: Cross multiply
    1,622,574.50x = 2,428,879.44 × 1,020,717.65
  4. Step 4: Simplify right side
    1,622,574.50x = 2,479,200,114,130.12
  5. Step 5: Solve for x
    x = 2,479,200,114,130.12/1,622,574.50
  6. Step 6: Final answer
    x = 1,527,942.24

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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.