Home / 1,113,847.45-1,670,959.79-384,172.53

Finding the Fourth Proportional to 1,113,847.45, 1,670,959.79 and 384,172.53

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Solution

The fourth proportional to 1,113,847.45, 1,670,959.79 and 384,172.53 is: 576,323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,847.45 : 1,670,959.79 = 384,172.53 : x
  2. Step 2: Convert to fraction form
    1,113,847.45/1,670,959.79 = 384,172.53/x
  3. Step 3: Cross multiply
    1,113,847.45x = 1,670,959.79 × 384,172.53
  4. Step 4: Simplify right side
    1,113,847.45x = 641,936,858,962.79
  5. Step 5: Solve for x
    x = 641,936,858,962.79/1,113,847.45
  6. Step 6: Final answer
    x = 576,323.86

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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.