Home / 1,721,491.89-2,582,382.38-523,424.58

Finding the Fourth Proportional to 1,721,491.89, 2,582,382.38 and 523,424.58

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Solution

The fourth proportional to 1,721,491.89, 2,582,382.38 and 523,424.58 is: 785,180.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,491.89 : 2,582,382.38 = 523,424.58 : x
  2. Step 2: Convert to fraction form
    1,721,491.89/2,582,382.38 = 523,424.58/x
  3. Step 3: Cross multiply
    1,721,491.89x = 2,582,382.38 × 523,424.58
  4. Step 4: Simplify right side
    1,721,491.89x = 1,351,682,414,875.74
  5. Step 5: Solve for x
    x = 1,351,682,414,875.74/1,721,491.89
  6. Step 6: Final answer
    x = 785,180.82

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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.