Home / 1,355,076.80-1,870,058.31-743,255.35

Finding the Fourth Proportional to 1,355,076.80, 1,870,058.31 and 743,255.35

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Solution

The fourth proportional to 1,355,076.80, 1,870,058.31 and 743,255.35 is: 1,025,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,076.80 : 1,870,058.31 = 743,255.35 : x
  2. Step 2: Convert to fraction form
    1,355,076.80/1,870,058.31 = 743,255.35/x
  3. Step 3: Cross multiply
    1,355,076.80x = 1,870,058.31 × 743,255.35
  4. Step 4: Simplify right side
    1,355,076.80x = 1,389,930,839,044.31
  5. Step 5: Solve for x
    x = 1,389,930,839,044.31/1,355,076.80
  6. Step 6: Final answer
    x = 1,025,721.08

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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.