Home / 1,502,825.79-2,072,690.33-1,321,149.27

Finding the Fourth Proportional to 1,502,825.79, 2,072,690.33 and 1,321,149.27

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Solution

The fourth proportional to 1,502,825.79, 2,072,690.33 and 1,321,149.27 is: 1,822,122.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,825.79 : 2,072,690.33 = 1,321,149.27 : x
  2. Step 2: Convert to fraction form
    1,502,825.79/2,072,690.33 = 1,321,149.27/x
  3. Step 3: Cross multiply
    1,502,825.79x = 2,072,690.33 × 1,321,149.27
  4. Step 4: Simplify right side
    1,502,825.79x = 2,738,333,309,809.81
  5. Step 5: Solve for x
    x = 2,738,333,309,809.81/1,502,825.79
  6. Step 6: Final answer
    x = 1,822,122.92

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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.