Home / 1,018,244-1,405,176.72-565,577.12

Finding the Fourth Proportional to 1,018,244, 1,405,176.72 and 565,577.12

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Solution

The fourth proportional to 1,018,244, 1,405,176.72 and 565,577.12 is: 780,496.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,244 : 1,405,176.72 = 565,577.12 : x
  2. Step 2: Convert to fraction form
    1,018,244/1,405,176.72 = 565,577.12/x
  3. Step 3: Cross multiply
    1,018,244x = 1,405,176.72 × 565,577.12
  4. Step 4: Simplify right side
    1,018,244x = 794,735,802,388.65
  5. Step 5: Solve for x
    x = 794,735,802,388.65/1,018,244
  6. Step 6: Final answer
    x = 780,496.43

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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.