Home / 1,203,290.65-1,661,295.95-774,316.27

Finding the Fourth Proportional to 1,203,290.65, 1,661,295.95 and 774,316.27

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Solution

The fourth proportional to 1,203,290.65, 1,661,295.95 and 774,316.27 is: 1,069,042.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,290.65 : 1,661,295.95 = 774,316.27 : x
  2. Step 2: Convert to fraction form
    1,203,290.65/1,661,295.95 = 774,316.27/x
  3. Step 3: Cross multiply
    1,203,290.65x = 1,661,295.95 × 774,316.27
  4. Step 4: Simplify right side
    1,203,290.65x = 1,286,368,479,216.87
  5. Step 5: Solve for x
    x = 1,286,368,479,216.87/1,203,290.65
  6. Step 6: Final answer
    x = 1,069,042.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.