Home / 1,783,696.80-2,460,472.14-1,138,389.64

Finding the Fourth Proportional to 1,783,696.80, 2,460,472.14 and 1,138,389.64

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Solution

The fourth proportional to 1,783,696.80, 2,460,472.14 and 1,138,389.64 is: 1,570,320.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,696.80 : 2,460,472.14 = 1,138,389.64 : x
  2. Step 2: Convert to fraction form
    1,783,696.80/2,460,472.14 = 1,138,389.64/x
  3. Step 3: Cross multiply
    1,783,696.80x = 2,460,472.14 × 1,138,389.64
  4. Step 4: Simplify right side
    1,783,696.80x = 2,800,975,993,684.63
  5. Step 5: Solve for x
    x = 2,800,975,993,684.63/1,783,696.80
  6. Step 6: Final answer
    x = 1,570,320.69

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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.