Home / 1,376,203.56-1,899,147.78-772,587.24

Finding the Fourth Proportional to 1,376,203.56, 1,899,147.78 and 772,587.24

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Solution

The fourth proportional to 1,376,203.56, 1,899,147.78 and 772,587.24 is: 1,066,163.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,203.56 : 1,899,147.78 = 772,587.24 : x
  2. Step 2: Convert to fraction form
    1,376,203.56/1,899,147.78 = 772,587.24/x
  3. Step 3: Cross multiply
    1,376,203.56x = 1,899,147.78 × 772,587.24
  4. Step 4: Simplify right side
    1,376,203.56x = 1,467,257,341,702.33
  5. Step 5: Solve for x
    x = 1,467,257,341,702.33/1,376,203.56
  6. Step 6: Final answer
    x = 1,066,163.02

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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.