Home / 1,385,058.36-2,078,520.66-543,510.84

Finding the Fourth Proportional to 1,385,058.36, 2,078,520.66 and 543,510.84

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Solution

The fourth proportional to 1,385,058.36, 2,078,520.66 and 543,510.84 is: 815,632.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,058.36 : 2,078,520.66 = 543,510.84 : x
  2. Step 2: Convert to fraction form
    1,385,058.36/2,078,520.66 = 543,510.84/x
  3. Step 3: Cross multiply
    1,385,058.36x = 2,078,520.66 × 543,510.84
  4. Step 4: Simplify right side
    1,385,058.36x = 1,129,698,509,873.95
  5. Step 5: Solve for x
    x = 1,129,698,509,873.95/1,385,058.36
  6. Step 6: Final answer
    x = 815,632.43

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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.