Home / 1,419,790.09-1,959,295.47-775,208.29

Finding the Fourth Proportional to 1,419,790.09, 1,959,295.47 and 775,208.29

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Solution

The fourth proportional to 1,419,790.09, 1,959,295.47 and 775,208.29 is: 1,069,779.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,790.09 : 1,959,295.47 = 775,208.29 : x
  2. Step 2: Convert to fraction form
    1,419,790.09/1,959,295.47 = 775,208.29/x
  3. Step 3: Cross multiply
    1,419,790.09x = 1,959,295.47 × 775,208.29
  4. Step 4: Simplify right side
    1,419,790.09x = 1,518,862,090,903.45
  5. Step 5: Solve for x
    x = 1,518,862,090,903.45/1,419,790.09
  6. Step 6: Final answer
    x = 1,069,779.33

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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.