Home / 1,412,277.12-2,117,222.40-612,954.24

Finding the Fourth Proportional to 1,412,277.12, 2,117,222.40 and 612,954.24

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Solution

The fourth proportional to 1,412,277.12, 2,117,222.40 and 612,954.24 is: 918,913.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,277.12 : 2,117,222.40 = 612,954.24 : x
  2. Step 2: Convert to fraction form
    1,412,277.12/2,117,222.40 = 612,954.24/x
  3. Step 3: Cross multiply
    1,412,277.12x = 2,117,222.40 × 612,954.24
  4. Step 4: Simplify right side
    1,412,277.12x = 1,297,760,447,102.98
  5. Step 5: Solve for x
    x = 1,297,760,447,102.98/1,412,277.12
  6. Step 6: Final answer
    x = 918,913.45

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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.