Home / 1,100,833.40-1,649,694.90-814,287.80

Finding the Fourth Proportional to 1,100,833.40, 1,649,694.90 and 814,287.80

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Solution

The fourth proportional to 1,100,833.40, 1,649,694.90 and 814,287.80 is: 1,220,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,833.40 : 1,649,694.90 = 814,287.80 : x
  2. Step 2: Convert to fraction form
    1,100,833.40/1,649,694.90 = 814,287.80/x
  3. Step 3: Cross multiply
    1,100,833.40x = 1,649,694.90 × 814,287.80
  4. Step 4: Simplify right side
    1,100,833.40x = 1,343,326,430,792.22
  5. Step 5: Solve for x
    x = 1,343,326,430,792.22/1,100,833.40
  6. Step 6: Final answer
    x = 1,220,281.32

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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.