Home / 1,400,675.70-2,101,669.71-690,316.23

Finding the Fourth Proportional to 1,400,675.70, 2,101,669.71 and 690,316.23

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Solution

The fourth proportional to 1,400,675.70, 2,101,669.71 and 690,316.23 is: 1,035,797.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,675.70 : 2,101,669.71 = 690,316.23 : x
  2. Step 2: Convert to fraction form
    1,400,675.70/2,101,669.71 = 690,316.23/x
  3. Step 3: Cross multiply
    1,400,675.70x = 2,101,669.71 × 690,316.23
  4. Step 4: Simplify right side
    1,400,675.70x = 1,450,816,710,912.39
  5. Step 5: Solve for x
    x = 1,450,816,710,912.39/1,400,675.70
  6. Step 6: Final answer
    x = 1,035,797.73

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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.