Home / 1,018,214-1,405,164.48-565,534.16

Finding the Fourth Proportional to 1,018,214, 1,405,164.48 and 565,534.16

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Solution

The fourth proportional to 1,018,214, 1,405,164.48 and 565,534.16 is: 780,453.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,214 : 1,405,164.48 = 565,534.16 : x
  2. Step 2: Convert to fraction form
    1,018,214/1,405,164.48 = 565,534.16/x
  3. Step 3: Cross multiply
    1,018,214x = 1,405,164.48 × 565,534.16
  4. Step 4: Simplify right side
    1,018,214x = 794,668,513,858.64
  5. Step 5: Solve for x
    x = 794,668,513,858.64/1,018,214
  6. Step 6: Final answer
    x = 780,453.34

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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.