Home / 1,447,982.90-2,172,286.47-437,020.22

Finding the Fourth Proportional to 1,447,982.90, 2,172,286.47 and 437,020.22

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Solution

The fourth proportional to 1,447,982.90, 2,172,286.47 and 437,020.22 is: 655,624.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,982.90 : 2,172,286.47 = 437,020.22 : x
  2. Step 2: Convert to fraction form
    1,447,982.90/2,172,286.47 = 437,020.22/x
  3. Step 3: Cross multiply
    1,447,982.90x = 2,172,286.47 × 437,020.22
  4. Step 4: Simplify right side
    1,447,982.90x = 949,333,111,022.42
  5. Step 5: Solve for x
    x = 949,333,111,022.42/1,447,982.90
  6. Step 6: Final answer
    x = 655,624.53

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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.