Home / 1,079,075.80-1,617,317.70-447,664.60

Finding the Fourth Proportional to 1,079,075.80, 1,617,317.70 and 447,664.60

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Solution

The fourth proportional to 1,079,075.80, 1,617,317.70 and 447,664.60 is: 670,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,075.80 : 1,617,317.70 = 447,664.60 : x
  2. Step 2: Convert to fraction form
    1,079,075.80/1,617,317.70 = 447,664.60/x
  3. Step 3: Cross multiply
    1,079,075.80x = 1,617,317.70 × 447,664.60
  4. Step 4: Simplify right side
    1,079,075.80x = 724,015,881,243.42
  5. Step 5: Solve for x
    x = 724,015,881,243.42/1,079,075.80
  6. Step 6: Final answer
    x = 670,959.24

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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.