Home / 1,367,853.76-1,887,579.45-755,974.90

Finding the Fourth Proportional to 1,367,853.76, 1,887,579.45 and 755,974.90

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Solution

The fourth proportional to 1,367,853.76, 1,887,579.45 and 755,974.90 is: 1,043,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,853.76 : 1,887,579.45 = 755,974.90 : x
  2. Step 2: Convert to fraction form
    1,367,853.76/1,887,579.45 = 755,974.90/x
  3. Step 3: Cross multiply
    1,367,853.76x = 1,887,579.45 × 755,974.90
  4. Step 4: Simplify right side
    1,367,853.76x = 1,426,962,685,955.81
  5. Step 5: Solve for x
    x = 1,426,962,685,955.81/1,367,853.76
  6. Step 6: Final answer
    x = 1,043,212.90

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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.