Home / 1,224,076.06-1,689,242.54-672,842.82

Finding the Fourth Proportional to 1,224,076.06, 1,689,242.54 and 672,842.82

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Solution

The fourth proportional to 1,224,076.06, 1,689,242.54 and 672,842.82 is: 928,532.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,076.06 : 1,689,242.54 = 672,842.82 : x
  2. Step 2: Convert to fraction form
    1,224,076.06/1,689,242.54 = 672,842.82/x
  3. Step 3: Cross multiply
    1,224,076.06x = 1,689,242.54 × 672,842.82
  4. Step 4: Simplify right side
    1,224,076.06x = 1,136,594,714,277.56
  5. Step 5: Solve for x
    x = 1,136,594,714,277.56/1,224,076.06
  6. Step 6: Final answer
    x = 928,532.75

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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.