Home / 1,369,720.83-1,890,270.45-757,863.64

Finding the Fourth Proportional to 1,369,720.83, 1,890,270.45 and 757,863.64

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Solution

The fourth proportional to 1,369,720.83, 1,890,270.45 and 757,863.64 is: 1,045,882.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,720.83 : 1,890,270.45 = 757,863.64 : x
  2. Step 2: Convert to fraction form
    1,369,720.83/1,890,270.45 = 757,863.64/x
  3. Step 3: Cross multiply
    1,369,720.83x = 1,890,270.45 × 757,863.64
  4. Step 4: Simplify right side
    1,369,720.83x = 1,432,567,243,821.44
  5. Step 5: Solve for x
    x = 1,432,567,243,821.44/1,369,720.83
  6. Step 6: Final answer
    x = 1,045,882.64

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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.