Home / 1,015,731-1,401,708.78-563,091

Finding the Fourth Proportional to 1,015,731, 1,401,708.78 and 563,091

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Solution

The fourth proportional to 1,015,731, 1,401,708.78 and 563,091 is: 777,065.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,731 : 1,401,708.78 = 563,091 : x
  2. Step 2: Convert to fraction form
    1,015,731/1,401,708.78 = 563,091/x
  3. Step 3: Cross multiply
    1,015,731x = 1,401,708.78 × 563,091
  4. Step 4: Simplify right side
    1,015,731x = 789,289,598,638.98
  5. Step 5: Solve for x
    x = 789,289,598,638.98/1,015,731
  6. Step 6: Final answer
    x = 777,065.58

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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.