Home / 1,414,000.70-2,125,429.73-1,387,428.65

Finding the Fourth Proportional to 1,414,000.70, 2,125,429.73 and 1,387,428.65

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Solution

The fourth proportional to 1,414,000.70, 2,125,429.73 and 1,387,428.65 is: 2,085,488.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,000.70 : 2,125,429.73 = 1,387,428.65 : x
  2. Step 2: Convert to fraction form
    1,414,000.70/2,125,429.73 = 1,387,428.65/x
  3. Step 3: Cross multiply
    1,414,000.70x = 2,125,429.73 × 1,387,428.65
  4. Step 4: Simplify right side
    1,414,000.70x = 2,948,882,100,963.76
  5. Step 5: Solve for x
    x = 2,948,882,100,963.76/1,414,000.70
  6. Step 6: Final answer
    x = 2,085,488.43

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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.