Home / 1,686,791.46-2,328,784.65-1,043,074.74

Finding the Fourth Proportional to 1,686,791.46, 2,328,784.65 and 1,043,074.74

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Solution

The fourth proportional to 1,686,791.46, 2,328,784.65 and 1,043,074.74 is: 1,440,069.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,791.46 : 2,328,784.65 = 1,043,074.74 : x
  2. Step 2: Convert to fraction form
    1,686,791.46/2,328,784.65 = 1,043,074.74/x
  3. Step 3: Cross multiply
    1,686,791.46x = 2,328,784.65 × 1,043,074.74
  4. Step 4: Simplify right side
    1,686,791.46x = 2,429,096,443,314.74
  5. Step 5: Solve for x
    x = 2,429,096,443,314.74/1,686,791.46
  6. Step 6: Final answer
    x = 1,440,069.21

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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.