Home / 1,400,674.94-2,101,668.57-690,315.47

Finding the Fourth Proportional to 1,400,674.94, 2,101,668.57 and 690,315.47

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Solution

The fourth proportional to 1,400,674.94, 2,101,668.57 and 690,315.47 is: 1,035,796.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,674.94 : 2,101,668.57 = 690,315.47 : x
  2. Step 2: Convert to fraction form
    1,400,674.94/2,101,668.57 = 690,315.47/x
  3. Step 3: Cross multiply
    1,400,674.94x = 2,101,668.57 × 690,315.47
  4. Step 4: Simplify right side
    1,400,674.94x = 1,450,814,316,175.43
  5. Step 5: Solve for x
    x = 1,450,814,316,175.43/1,400,674.94
  6. Step 6: Final answer
    x = 1,035,796.59

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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.