Home / 1,073,120.80-1,607,348.40-651,661.60

Finding the Fourth Proportional to 1,073,120.80, 1,607,348.40 and 651,661.60

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Solution

The fourth proportional to 1,073,120.80, 1,607,348.40 and 651,661.60 is: 976,075.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,120.80 : 1,607,348.40 = 651,661.60 : x
  2. Step 2: Convert to fraction form
    1,073,120.80/1,607,348.40 = 651,661.60/x
  3. Step 3: Cross multiply
    1,073,120.80x = 1,607,348.40 × 651,661.60
  4. Step 4: Simplify right side
    1,073,120.80x = 1,047,447,230,101.44
  5. Step 5: Solve for x
    x = 1,047,447,230,101.44/1,073,120.80
  6. Step 6: Final answer
    x = 976,075.79

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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.