Home / 1,663,420.32-2,295,517.32-938,265.80

Finding the Fourth Proportional to 1,663,420.32, 2,295,517.32 and 938,265.80

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Solution

The fourth proportional to 1,663,420.32, 2,295,517.32 and 938,265.80 is: 1,294,805.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,420.32 : 2,295,517.32 = 938,265.80 : x
  2. Step 2: Convert to fraction form
    1,663,420.32/2,295,517.32 = 938,265.80/x
  3. Step 3: Cross multiply
    1,663,420.32x = 2,295,517.32 × 938,265.80
  4. Step 4: Simplify right side
    1,663,420.32x = 2,153,805,383,186.07
  5. Step 5: Solve for x
    x = 2,153,805,383,186.07/1,663,420.32
  6. Step 6: Final answer
    x = 1,294,805.26

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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.