Home / 1,070,227.08-1,603,355.72-765,993.51

Finding the Fourth Proportional to 1,070,227.08, 1,603,355.72 and 765,993.51

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Solution

The fourth proportional to 1,070,227.08, 1,603,355.72 and 765,993.51 is: 1,147,569.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,227.08 : 1,603,355.72 = 765,993.51 : x
  2. Step 2: Convert to fraction form
    1,070,227.08/1,603,355.72 = 765,993.51/x
  3. Step 3: Cross multiply
    1,070,227.08x = 1,603,355.72 × 765,993.51
  4. Step 4: Simplify right side
    1,070,227.08x = 1,228,160,071,911.41
  5. Step 5: Solve for x
    x = 1,228,160,071,911.41/1,070,227.08
  6. Step 6: Final answer
    x = 1,147,569.61

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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.