Home / 1,015,777.75-1,401,789.10-556,934.22

Finding the Fourth Proportional to 1,015,777.75, 1,401,789.10 and 556,934.22

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Solution

The fourth proportional to 1,015,777.75, 1,401,789.10 and 556,934.22 is: 768,577.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,777.75 : 1,401,789.10 = 556,934.22 : x
  2. Step 2: Convert to fraction form
    1,015,777.75/1,401,789.10 = 556,934.22/x
  3. Step 3: Cross multiply
    1,015,777.75x = 1,401,789.10 × 556,934.22
  4. Step 4: Simplify right side
    1,015,777.75x = 780,704,319,013.00
  5. Step 5: Solve for x
    x = 780,704,319,013.00/1,015,777.75
  6. Step 6: Final answer
    x = 768,577.89

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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.