Home / 1,204,075.06-1,661,642.85-660,260.50

Finding the Fourth Proportional to 1,204,075.06, 1,661,642.85 and 660,260.50

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Solution

The fourth proportional to 1,204,075.06, 1,661,642.85 and 660,260.50 is: 911,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,075.06 : 1,661,642.85 = 660,260.50 : x
  2. Step 2: Convert to fraction form
    1,204,075.06/1,661,642.85 = 660,260.50/x
  3. Step 3: Cross multiply
    1,204,075.06x = 1,661,642.85 × 660,260.50
  4. Step 4: Simplify right side
    1,204,075.06x = 1,097,117,138,962.43
  5. Step 5: Solve for x
    x = 1,097,117,138,962.43/1,204,075.06
  6. Step 6: Final answer
    x = 911,170.06

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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.