Home / 1,326,493.44-1,989,155.52-379,649.28

Finding the Fourth Proportional to 1,326,493.44, 1,989,155.52 and 379,649.28

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Solution

The fourth proportional to 1,326,493.44, 1,989,155.52 and 379,649.28 is: 569,306.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,493.44 : 1,989,155.52 = 379,649.28 : x
  2. Step 2: Convert to fraction form
    1,326,493.44/1,989,155.52 = 379,649.28/x
  3. Step 3: Cross multiply
    1,326,493.44x = 1,989,155.52 × 379,649.28
  4. Step 4: Simplify right side
    1,326,493.44x = 755,181,460,976.03
  5. Step 5: Solve for x
    x = 755,181,460,976.03/1,326,493.44
  6. Step 6: Final answer
    x = 569,306.59

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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.