Home / 1,238,096.70-1,857,145.05-765,704.70

Finding the Fourth Proportional to 1,238,096.70, 1,857,145.05 and 765,704.70

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Solution

The fourth proportional to 1,238,096.70, 1,857,145.05 and 765,704.70 is: 1,148,557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,096.70 : 1,857,145.05 = 765,704.70 : x
  2. Step 2: Convert to fraction form
    1,238,096.70/1,857,145.05 = 765,704.70/x
  3. Step 3: Cross multiply
    1,238,096.70x = 1,857,145.05 × 765,704.70
  4. Step 4: Simplify right side
    1,238,096.70x = 1,422,024,693,366.74
  5. Step 5: Solve for x
    x = 1,422,024,693,366.74/1,238,096.70
  6. Step 6: Final answer
    x = 1,148,557.05

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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.