Home / 874,600.81-1,312,006.34-826,771.12

Finding the Fourth Proportional to 874,600.81, 1,312,006.34 and 826,771.12

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Solution

The fourth proportional to 874,600.81, 1,312,006.34 and 826,771.12 is: 1,240,256.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,600.81 : 1,312,006.34 = 826,771.12 : x
  2. Step 2: Convert to fraction form
    874,600.81/1,312,006.34 = 826,771.12/x
  3. Step 3: Cross multiply
    874,600.81x = 1,312,006.34 × 826,771.12
  4. Step 4: Simplify right side
    874,600.81x = 1,084,728,947,765.24
  5. Step 5: Solve for x
    x = 1,084,728,947,765.24/874,600.81
  6. Step 6: Final answer
    x = 1,240,256.05

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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.