Home / 1,586,982.69-2,190,706.25-1,071,434.65

Finding the Fourth Proportional to 1,586,982.69, 2,190,706.25 and 1,071,434.65

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Solution

The fourth proportional to 1,586,982.69, 2,190,706.25 and 1,071,434.65 is: 1,479,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,982.69 : 2,190,706.25 = 1,071,434.65 : x
  2. Step 2: Convert to fraction form
    1,586,982.69/2,190,706.25 = 1,071,434.65/x
  3. Step 3: Cross multiply
    1,586,982.69x = 2,190,706.25 × 1,071,434.65
  4. Step 4: Simplify right side
    1,586,982.69x = 2,347,198,583,611.71
  5. Step 5: Solve for x
    x = 2,347,198,583,611.71/1,586,982.69
  6. Step 6: Final answer
    x = 1,479,032.25

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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.