Home / 1,100,310.48-1,518,640.65-717,672.96

Finding the Fourth Proportional to 1,100,310.48, 1,518,640.65 and 717,672.96

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Solution

The fourth proportional to 1,100,310.48, 1,518,640.65 and 717,672.96 is: 990,527.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,310.48 : 1,518,640.65 = 717,672.96 : x
  2. Step 2: Convert to fraction form
    1,100,310.48/1,518,640.65 = 717,672.96/x
  3. Step 3: Cross multiply
    1,100,310.48x = 1,518,640.65 × 717,672.96
  4. Step 4: Simplify right side
    1,100,310.48x = 1,089,887,330,461.82
  5. Step 5: Solve for x
    x = 1,089,887,330,461.82/1,100,310.48
  6. Step 6: Final answer
    x = 990,527.08

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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.