Home / 1,586,983.69-2,190,707.63-1,071,435.65

Finding the Fourth Proportional to 1,586,983.69, 2,190,707.63 and 1,071,435.65

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Solution

The fourth proportional to 1,586,983.69, 2,190,707.63 and 1,071,435.65 is: 1,479,033.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,983.69 : 2,190,707.63 = 1,071,435.65 : x
  2. Step 2: Convert to fraction form
    1,586,983.69/2,190,707.63 = 1,071,435.65/x
  3. Step 3: Cross multiply
    1,586,983.69x = 2,190,707.63 × 1,071,435.65
  4. Step 4: Simplify right side
    1,586,983.69x = 2,347,202,253,509.01
  5. Step 5: Solve for x
    x = 2,347,202,253,509.01/1,586,983.69
  6. Step 6: Final answer
    x = 1,479,033.63

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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.