Home / 1,049,763.84-1,574,895.60-339,791.80

Finding the Fourth Proportional to 1,049,763.84, 1,574,895.60 and 339,791.80

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Solution

The fourth proportional to 1,049,763.84, 1,574,895.60 and 339,791.80 is: 509,768.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,763.84 : 1,574,895.60 = 339,791.80 : x
  2. Step 2: Convert to fraction form
    1,049,763.84/1,574,895.60 = 339,791.80/x
  3. Step 3: Cross multiply
    1,049,763.84x = 1,574,895.60 × 339,791.80
  4. Step 4: Simplify right side
    1,049,763.84x = 535,136,610,736.08
  5. Step 5: Solve for x
    x = 535,136,610,736.08/1,049,763.84
  6. Step 6: Final answer
    x = 509,768.57

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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.