Home / 1,099,454.09-1,649,117.96-653,010.71

Finding the Fourth Proportional to 1,099,454.09, 1,649,117.96 and 653,010.71

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Solution

The fourth proportional to 1,099,454.09, 1,649,117.96 and 653,010.71 is: 979,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,454.09 : 1,649,117.96 = 653,010.71 : x
  2. Step 2: Convert to fraction form
    1,099,454.09/1,649,117.96 = 653,010.71/x
  3. Step 3: Cross multiply
    1,099,454.09x = 1,649,117.96 × 653,010.71
  4. Step 4: Simplify right side
    1,099,454.09x = 1,076,891,686,668.30
  5. Step 5: Solve for x
    x = 1,076,891,686,668.30/1,099,454.09
  6. Step 6: Final answer
    x = 979,478.54

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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.