Home / 1,195,645.72-1,650,580.15-828,401.31

Finding the Fourth Proportional to 1,195,645.72, 1,650,580.15 and 828,401.31

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Solution

The fourth proportional to 1,195,645.72, 1,650,580.15 and 828,401.31 is: 1,143,601.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,645.72 : 1,650,580.15 = 828,401.31 : x
  2. Step 2: Convert to fraction form
    1,195,645.72/1,650,580.15 = 828,401.31/x
  3. Step 3: Cross multiply
    1,195,645.72x = 1,650,580.15 × 828,401.31
  4. Step 4: Simplify right side
    1,195,645.72x = 1,367,342,748,196.09
  5. Step 5: Solve for x
    x = 1,367,342,748,196.09/1,195,645.72
  6. Step 6: Final answer
    x = 1,143,601.93

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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.