Home / 1,820,255.52-2,512,452.30-1,056,555.12

Finding the Fourth Proportional to 1,820,255.52, 2,512,452.30 and 1,056,555.12

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Solution

The fourth proportional to 1,820,255.52, 2,512,452.30 and 1,056,555.12 is: 1,458,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,255.52 : 2,512,452.30 = 1,056,555.12 : x
  2. Step 2: Convert to fraction form
    1,820,255.52/2,512,452.30 = 1,056,555.12/x
  3. Step 3: Cross multiply
    1,820,255.52x = 2,512,452.30 × 1,056,555.12
  4. Step 4: Simplify right side
    1,820,255.52x = 2,654,544,341,320.78
  5. Step 5: Solve for x
    x = 2,654,544,341,320.78/1,820,255.52
  6. Step 6: Final answer
    x = 1,458,336.10

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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.