Home / 1,085,598.72-1,496,749.44-775,871.52

Finding the Fourth Proportional to 1,085,598.72, 1,496,749.44 and 775,871.52

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Solution

The fourth proportional to 1,085,598.72, 1,496,749.44 and 775,871.52 is: 1,069,718.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,598.72 : 1,496,749.44 = 775,871.52 : x
  2. Step 2: Convert to fraction form
    1,085,598.72/1,496,749.44 = 775,871.52/x
  3. Step 3: Cross multiply
    1,085,598.72x = 1,496,749.44 × 775,871.52
  4. Step 4: Simplify right side
    1,085,598.72x = 1,161,285,263,071.95
  5. Step 5: Solve for x
    x = 1,161,285,263,071.95/1,085,598.72
  6. Step 6: Final answer
    x = 1,069,718.71

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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.