Home / 1,100,835.40-1,649,697.90-814,289.80

Finding the Fourth Proportional to 1,100,835.40, 1,649,697.90 and 814,289.80

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Solution

The fourth proportional to 1,100,835.40, 1,649,697.90 and 814,289.80 is: 1,220,284.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,835.40 : 1,649,697.90 = 814,289.80 : x
  2. Step 2: Convert to fraction form
    1,100,835.40/1,649,697.90 = 814,289.80/x
  3. Step 3: Cross multiply
    1,100,835.40x = 1,649,697.90 × 814,289.80
  4. Step 4: Simplify right side
    1,100,835.40x = 1,343,332,173,051.42
  5. Step 5: Solve for x
    x = 1,343,332,173,051.42/1,100,835.40
  6. Step 6: Final answer
    x = 1,220,284.32

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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.