Home / 1,100,900.40-1,649,795.40-814,354.80

Finding the Fourth Proportional to 1,100,900.40, 1,649,795.40 and 814,354.80

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Solution

The fourth proportional to 1,100,900.40, 1,649,795.40 and 814,354.80 is: 1,220,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,900.40 : 1,649,795.40 = 814,354.80 : x
  2. Step 2: Convert to fraction form
    1,100,900.40/1,649,795.40 = 814,354.80/x
  3. Step 3: Cross multiply
    1,100,900.40x = 1,649,795.40 × 814,354.80
  4. Step 4: Simplify right side
    1,100,900.40x = 1,343,518,803,007.92
  5. Step 5: Solve for x
    x = 1,343,518,803,007.92/1,100,900.40
  6. Step 6: Final answer
    x = 1,220,381.79

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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.