Home / 1,340,574.84-2,010,862.67-393,945.66

Finding the Fourth Proportional to 1,340,574.84, 2,010,862.67 and 393,945.66

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Solution

The fourth proportional to 1,340,574.84, 2,010,862.67 and 393,945.66 is: 590,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,574.84 : 2,010,862.67 = 393,945.66 : x
  2. Step 2: Convert to fraction form
    1,340,574.84/2,010,862.67 = 393,945.66/x
  3. Step 3: Cross multiply
    1,340,574.84x = 2,010,862.67 × 393,945.66
  4. Step 4: Simplify right side
    1,340,574.84x = 792,170,619,732.78
  5. Step 5: Solve for x
    x = 792,170,619,732.78/1,340,574.84
  6. Step 6: Final answer
    x = 590,918.61

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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.