Home / 1,380,397.64-2,071,094.66-481,971.72

Finding the Fourth Proportional to 1,380,397.64, 2,071,094.66 and 481,971.72

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Solution

The fourth proportional to 1,380,397.64, 2,071,094.66 and 481,971.72 is: 723,131.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,397.64 : 2,071,094.66 = 481,971.72 : x
  2. Step 2: Convert to fraction form
    1,380,397.64/2,071,094.66 = 481,971.72/x
  3. Step 3: Cross multiply
    1,380,397.64x = 2,071,094.66 × 481,971.72
  4. Step 4: Simplify right side
    1,380,397.64x = 998,209,055,563.02
  5. Step 5: Solve for x
    x = 998,209,055,563.02/1,380,397.64
  6. Step 6: Final answer
    x = 723,131.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.