Home / 1,323,004.20-1,981,881.90-723,085.80

Finding the Fourth Proportional to 1,323,004.20, 1,981,881.90 and 723,085.80

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Solution

The fourth proportional to 1,323,004.20, 1,981,881.90 and 723,085.80 is: 1,083,194.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,004.20 : 1,981,881.90 = 723,085.80 : x
  2. Step 2: Convert to fraction form
    1,323,004.20/1,981,881.90 = 723,085.80/x
  3. Step 3: Cross multiply
    1,323,004.20x = 1,981,881.90 × 723,085.80
  4. Step 4: Simplify right side
    1,323,004.20x = 1,433,070,659,167.02
  5. Step 5: Solve for x
    x = 1,433,070,659,167.02/1,323,004.20
  6. Step 6: Final answer
    x = 1,083,194.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.