Home / 1,397,588.52-2,096,874.84-688,114.80

Finding the Fourth Proportional to 1,397,588.52, 2,096,874.84 and 688,114.80

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Solution

The fourth proportional to 1,397,588.52, 2,096,874.84 and 688,114.80 is: 1,032,414.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,588.52 : 2,096,874.84 = 688,114.80 : x
  2. Step 2: Convert to fraction form
    1,397,588.52/2,096,874.84 = 688,114.80/x
  3. Step 3: Cross multiply
    1,397,588.52x = 2,096,874.84 × 688,114.80
  4. Step 4: Simplify right side
    1,397,588.52x = 1,442,890,611,151.63
  5. Step 5: Solve for x
    x = 1,442,890,611,151.63/1,397,588.52
  6. Step 6: Final answer
    x = 1,032,414.47

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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.