Home / 1,400,522.70-2,099,123.10-1,257,697.80

Finding the Fourth Proportional to 1,400,522.70, 2,099,123.10 and 1,257,697.80

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Solution

The fourth proportional to 1,400,522.70, 2,099,123.10 and 1,257,697.80 is: 1,885,055.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,522.70 : 2,099,123.10 = 1,257,697.80 : x
  2. Step 2: Convert to fraction form
    1,400,522.70/2,099,123.10 = 1,257,697.80/x
  3. Step 3: Cross multiply
    1,400,522.70x = 2,099,123.10 × 1,257,697.80
  4. Step 4: Simplify right side
    1,400,522.70x = 2,640,062,504,799.18
  5. Step 5: Solve for x
    x = 2,640,062,504,799.18/1,400,522.70
  6. Step 6: Final answer
    x = 1,885,055.13

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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.