Home / 1,294,537.20-1,941,805.80-846,639.60

Finding the Fourth Proportional to 1,294,537.20, 1,941,805.80 and 846,639.60

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Solution

The fourth proportional to 1,294,537.20, 1,941,805.80 and 846,639.60 is: 1,269,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,537.20 : 1,941,805.80 = 846,639.60 : x
  2. Step 2: Convert to fraction form
    1,294,537.20/1,941,805.80 = 846,639.60/x
  3. Step 3: Cross multiply
    1,294,537.20x = 1,941,805.80 × 846,639.60
  4. Step 4: Simplify right side
    1,294,537.20x = 1,644,009,685,789.68
  5. Step 5: Solve for x
    x = 1,644,009,685,789.68/1,294,537.20
  6. Step 6: Final answer
    x = 1,269,959.40

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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.