Home / 1,026,969.31-1,540,594.09-427,790.35

Finding the Fourth Proportional to 1,026,969.31, 1,540,594.09 and 427,790.35

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Solution

The fourth proportional to 1,026,969.31, 1,540,594.09 and 427,790.35 is: 641,743.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,969.31 : 1,540,594.09 = 427,790.35 : x
  2. Step 2: Convert to fraction form
    1,026,969.31/1,540,594.09 = 427,790.35/x
  3. Step 3: Cross multiply
    1,026,969.31x = 1,540,594.09 × 427,790.35
  4. Step 4: Simplify right side
    1,026,969.31x = 659,051,275,127.11
  5. Step 5: Solve for x
    x = 659,051,275,127.11/1,026,969.31
  6. Step 6: Final answer
    x = 641,743.89

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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.