Home / 1,022,860.65-1,412,152.46-909,369.25

Finding the Fourth Proportional to 1,022,860.65, 1,412,152.46 and 909,369.25

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Solution

The fourth proportional to 1,022,860.65, 1,412,152.46 and 909,369.25 is: 1,255,467.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,860.65 : 1,412,152.46 = 909,369.25 : x
  2. Step 2: Convert to fraction form
    1,022,860.65/1,412,152.46 = 909,369.25/x
  3. Step 3: Cross multiply
    1,022,860.65x = 1,412,152.46 × 909,369.25
  4. Step 4: Simplify right side
    1,022,860.65x = 1,284,168,018,889.01
  5. Step 5: Solve for x
    x = 1,284,168,018,889.01/1,022,860.65
  6. Step 6: Final answer
    x = 1,255,467.23

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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.