Home / 1,201,467.89-1,802,471.63-402,728.91

Finding the Fourth Proportional to 1,201,467.89, 1,802,471.63 and 402,728.91

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Solution

The fourth proportional to 1,201,467.89, 1,802,471.63 and 402,728.91 is: 604,183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,467.89 : 1,802,471.63 = 402,728.91 : x
  2. Step 2: Convert to fraction form
    1,201,467.89/1,802,471.63 = 402,728.91/x
  3. Step 3: Cross multiply
    1,201,467.89x = 1,802,471.63 × 402,728.91
  4. Step 4: Simplify right side
    1,201,467.89x = 725,907,432,842.18
  5. Step 5: Solve for x
    x = 725,907,432,842.18/1,201,467.89
  6. Step 6: Final answer
    x = 604,183.80

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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.