Home / 1,369,722.83-1,890,273.22-757,865.63

Finding the Fourth Proportional to 1,369,722.83, 1,890,273.22 and 757,865.63

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Solution

The fourth proportional to 1,369,722.83, 1,890,273.22 and 757,865.63 is: 1,045,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,722.83 : 1,890,273.22 = 757,865.63 : x
  2. Step 2: Convert to fraction form
    1,369,722.83/1,890,273.22 = 757,865.63/x
  3. Step 3: Cross multiply
    1,369,722.83x = 1,890,273.22 × 757,865.63
  4. Step 4: Simplify right side
    1,369,722.83x = 1,432,573,107,578.45
  5. Step 5: Solve for x
    x = 1,432,573,107,578.45/1,369,722.83
  6. Step 6: Final answer
    x = 1,045,885.40

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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.