Home / 1,321,090.16-1,823,094.14-717,478.16

Finding the Fourth Proportional to 1,321,090.16, 1,823,094.14 and 717,478.16

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Solution

The fourth proportional to 1,321,090.16, 1,823,094.14 and 717,478.16 is: 990,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,090.16 : 1,823,094.14 = 717,478.16 : x
  2. Step 2: Convert to fraction form
    1,321,090.16/1,823,094.14 = 717,478.16/x
  3. Step 3: Cross multiply
    1,321,090.16x = 1,823,094.14 × 717,478.16
  4. Step 4: Simplify right side
    1,321,090.16x = 1,308,030,216,371.12
  5. Step 5: Solve for x
    x = 1,308,030,216,371.12/1,321,090.16
  6. Step 6: Final answer
    x = 990,114.27

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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.