Home / 1,876,671.42-2,815,007.40-456,727.50

Finding the Fourth Proportional to 1,876,671.42, 2,815,007.40 and 456,727.50

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Solution

The fourth proportional to 1,876,671.42, 2,815,007.40 and 456,727.50 is: 685,091.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,671.42 : 2,815,007.40 = 456,727.50 : x
  2. Step 2: Convert to fraction form
    1,876,671.42/2,815,007.40 = 456,727.50/x
  3. Step 3: Cross multiply
    1,876,671.42x = 2,815,007.40 × 456,727.50
  4. Step 4: Simplify right side
    1,876,671.42x = 1,285,691,292,283.50
  5. Step 5: Solve for x
    x = 1,285,691,292,283.50/1,876,671.42
  6. Step 6: Final answer
    x = 685,091.32

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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.