Home / 1,369,721.33-1,890,271.14-757,864.14

Finding the Fourth Proportional to 1,369,721.33, 1,890,271.14 and 757,864.14

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Solution

The fourth proportional to 1,369,721.33, 1,890,271.14 and 757,864.14 is: 1,045,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,721.33 : 1,890,271.14 = 757,864.14 : x
  2. Step 2: Convert to fraction form
    1,369,721.33/1,890,271.14 = 757,864.14/x
  3. Step 3: Cross multiply
    1,369,721.33x = 1,890,271.14 × 757,864.14
  4. Step 4: Simplify right side
    1,369,721.33x = 1,432,568,711,882.92
  5. Step 5: Solve for x
    x = 1,432,568,711,882.92/1,369,721.33
  6. Step 6: Final answer
    x = 1,045,883.34

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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.