Home / 1,359,945.60-2,039,918.40-413,193.30

Finding the Fourth Proportional to 1,359,945.60, 2,039,918.40 and 413,193.30

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Solution

The fourth proportional to 1,359,945.60, 2,039,918.40 and 413,193.30 is: 619,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,945.60 : 2,039,918.40 = 413,193.30 : x
  2. Step 2: Convert to fraction form
    1,359,945.60/2,039,918.40 = 413,193.30/x
  3. Step 3: Cross multiply
    1,359,945.60x = 2,039,918.40 × 413,193.30
  4. Step 4: Simplify right side
    1,359,945.60x = 842,880,615,426.72
  5. Step 5: Solve for x
    x = 842,880,615,426.72/1,359,945.60
  6. Step 6: Final answer
    x = 619,789.95

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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.