Home / 1,110,782.76-1,666,231.22-312,126.60

Finding the Fourth Proportional to 1,110,782.76, 1,666,231.22 and 312,126.60

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Solution

The fourth proportional to 1,110,782.76, 1,666,231.22 and 312,126.60 is: 468,205.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,782.76 : 1,666,231.22 = 312,126.60 : x
  2. Step 2: Convert to fraction form
    1,110,782.76/1,666,231.22 = 312,126.60/x
  3. Step 3: Cross multiply
    1,110,782.76x = 1,666,231.22 × 312,126.60
  4. Step 4: Simplify right side
    1,110,782.76x = 520,075,083,951.82
  5. Step 5: Solve for x
    x = 520,075,083,951.82/1,110,782.76
  6. Step 6: Final answer
    x = 468,205.94

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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.