Home / 1,122,944.72-1,685,290.56-783,782.02

Finding the Fourth Proportional to 1,122,944.72, 1,685,290.56 and 783,782.02

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Solution

The fourth proportional to 1,122,944.72, 1,685,290.56 and 783,782.02 is: 1,176,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,944.72 : 1,685,290.56 = 783,782.02 : x
  2. Step 2: Convert to fraction form
    1,122,944.72/1,685,290.56 = 783,782.02/x
  3. Step 3: Cross multiply
    1,122,944.72x = 1,685,290.56 × 783,782.02
  4. Step 4: Simplify right side
    1,122,944.72x = 1,320,900,438,571.16
  5. Step 5: Solve for x
    x = 1,320,900,438,571.16/1,122,944.72
  6. Step 6: Final answer
    x = 1,176,282.70

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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.