Home / 1,328,664.50-1,992,978.03-618,295.22

Finding the Fourth Proportional to 1,328,664.50, 1,992,978.03 and 618,295.22

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Solution

The fourth proportional to 1,328,664.50, 1,992,978.03 and 618,295.22 is: 927,434.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,664.50 : 1,992,978.03 = 618,295.22 : x
  2. Step 2: Convert to fraction form
    1,328,664.50/1,992,978.03 = 618,295.22/x
  3. Step 3: Cross multiply
    1,328,664.50x = 1,992,978.03 × 618,295.22
  4. Step 4: Simplify right side
    1,328,664.50x = 1,232,248,789,514.02
  5. Step 5: Solve for x
    x = 1,232,248,789,514.02/1,328,664.50
  6. Step 6: Final answer
    x = 927,434.12

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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.