Home / 1,367,153.30-1,887,202.98-1,223,664.23

Finding the Fourth Proportional to 1,367,153.30, 1,887,202.98 and 1,223,664.23

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Solution

The fourth proportional to 1,367,153.30, 1,887,202.98 and 1,223,664.23 is: 1,689,132.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,153.30 : 1,887,202.98 = 1,223,664.23 : x
  2. Step 2: Convert to fraction form
    1,367,153.30/1,887,202.98 = 1,223,664.23/x
  3. Step 3: Cross multiply
    1,367,153.30x = 1,887,202.98 × 1,223,664.23
  4. Step 4: Simplify right side
    1,367,153.30x = 2,309,302,771,939.39
  5. Step 5: Solve for x
    x = 2,309,302,771,939.39/1,367,153.30
  6. Step 6: Final answer
    x = 1,689,132.29

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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.