Home / 1,328,772.45-1,994,038.03-730,150.45

Finding the Fourth Proportional to 1,328,772.45, 1,994,038.03 and 730,150.45

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Solution

The fourth proportional to 1,328,772.45, 1,994,038.03 and 730,150.45 is: 1,095,708.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,772.45 : 1,994,038.03 = 730,150.45 : x
  2. Step 2: Convert to fraction form
    1,328,772.45/1,994,038.03 = 730,150.45/x
  3. Step 3: Cross multiply
    1,328,772.45x = 1,994,038.03 × 730,150.45
  4. Step 4: Simplify right side
    1,328,772.45x = 1,455,947,770,012.12
  5. Step 5: Solve for x
    x = 1,455,947,770,012.12/1,328,772.45
  6. Step 6: Final answer
    x = 1,095,708.88

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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.