Home / 1,400,674.70-2,101,668.21-690,315.23

Finding the Fourth Proportional to 1,400,674.70, 2,101,668.21 and 690,315.23

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Solution

The fourth proportional to 1,400,674.70, 2,101,668.21 and 690,315.23 is: 1,035,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,674.70 : 2,101,668.21 = 690,315.23 : x
  2. Step 2: Convert to fraction form
    1,400,674.70/2,101,668.21 = 690,315.23/x
  3. Step 3: Cross multiply
    1,400,674.70x = 2,101,668.21 × 690,315.23
  4. Step 4: Simplify right side
    1,400,674.70x = 1,450,813,573,769.84
  5. Step 5: Solve for x
    x = 1,450,813,573,769.84/1,400,674.70
  6. Step 6: Final answer
    x = 1,035,796.23

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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.