Home / 1,505,940.48-2,078,385.12-861,271.20

Finding the Fourth Proportional to 1,505,940.48, 2,078,385.12 and 861,271.20

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Solution

The fourth proportional to 1,505,940.48, 2,078,385.12 and 861,271.20 is: 1,188,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,940.48 : 2,078,385.12 = 861,271.20 : x
  2. Step 2: Convert to fraction form
    1,505,940.48/2,078,385.12 = 861,271.20/x
  3. Step 3: Cross multiply
    1,505,940.48x = 2,078,385.12 × 861,271.20
  4. Step 4: Simplify right side
    1,505,940.48x = 1,790,053,246,364.54
  5. Step 5: Solve for x
    x = 1,790,053,246,364.54/1,505,940.48
  6. Step 6: Final answer
    x = 1,188,661.35

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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.