Home / 1,100,627.80-1,650,941.70-1,020,911.65

Finding the Fourth Proportional to 1,100,627.80, 1,650,941.70 and 1,020,911.65

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Solution

The fourth proportional to 1,100,627.80, 1,650,941.70 and 1,020,911.65 is: 1,531,367.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,627.80 : 1,650,941.70 = 1,020,911.65 : x
  2. Step 2: Convert to fraction form
    1,100,627.80/1,650,941.70 = 1,020,911.65/x
  3. Step 3: Cross multiply
    1,100,627.80x = 1,650,941.70 × 1,020,911.65
  4. Step 4: Simplify right side
    1,100,627.80x = 1,685,465,615,000.81
  5. Step 5: Solve for x
    x = 1,685,465,615,000.81/1,100,627.80
  6. Step 6: Final answer
    x = 1,531,367.48

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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.