Home / 1,149,259.44-1,585,980.36-639,980.04

Finding the Fourth Proportional to 1,149,259.44, 1,585,980.36 and 639,980.04

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Solution

The fourth proportional to 1,149,259.44, 1,585,980.36 and 639,980.04 is: 883,173.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,259.44 : 1,585,980.36 = 639,980.04 : x
  2. Step 2: Convert to fraction form
    1,149,259.44/1,585,980.36 = 639,980.04/x
  3. Step 3: Cross multiply
    1,149,259.44x = 1,585,980.36 × 639,980.04
  4. Step 4: Simplify right side
    1,149,259.44x = 1,014,995,774,232.01
  5. Step 5: Solve for x
    x = 1,014,995,774,232.01/1,149,259.44
  6. Step 6: Final answer
    x = 883,173.75

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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.