Home / 1,338,545.16-1,847,199.06-765,609.48

Finding the Fourth Proportional to 1,338,545.16, 1,847,199.06 and 765,609.48

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Solution

The fourth proportional to 1,338,545.16, 1,847,199.06 and 765,609.48 is: 1,056,544.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,545.16 : 1,847,199.06 = 765,609.48 : x
  2. Step 2: Convert to fraction form
    1,338,545.16/1,847,199.06 = 765,609.48/x
  3. Step 3: Cross multiply
    1,338,545.16x = 1,847,199.06 × 765,609.48
  4. Step 4: Simplify right side
    1,338,545.16x = 1,414,233,111,783.09
  5. Step 5: Solve for x
    x = 1,414,233,111,783.09/1,338,545.16
  6. Step 6: Final answer
    x = 1,056,544.94

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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.