Home / 1,015,779.75-1,401,791.87-556,936.22

Finding the Fourth Proportional to 1,015,779.75, 1,401,791.87 and 556,936.22

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Solution

The fourth proportional to 1,015,779.75, 1,401,791.87 and 556,936.22 is: 768,580.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,779.75 : 1,401,791.87 = 556,936.22 : x
  2. Step 2: Convert to fraction form
    1,015,779.75/1,401,791.87 = 556,936.22/x
  3. Step 3: Cross multiply
    1,015,779.75x = 1,401,791.87 × 556,936.22
  4. Step 4: Simplify right side
    1,015,779.75x = 780,708,655,510.89
  5. Step 5: Solve for x
    x = 780,708,655,510.89/1,015,779.75
  6. Step 6: Final answer
    x = 768,580.65

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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.