Home / 1,278,813.27-1,764,762.48-705,853.62

Finding the Fourth Proportional to 1,278,813.27, 1,764,762.48 and 705,853.62

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Solution

The fourth proportional to 1,278,813.27, 1,764,762.48 and 705,853.62 is: 974,078.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,813.27 : 1,764,762.48 = 705,853.62 : x
  2. Step 2: Convert to fraction form
    1,278,813.27/1,764,762.48 = 705,853.62/x
  3. Step 3: Cross multiply
    1,278,813.27x = 1,764,762.48 × 705,853.62
  4. Step 4: Simplify right side
    1,278,813.27x = 1,245,663,984,948.18
  5. Step 5: Solve for x
    x = 1,245,663,984,948.18/1,278,813.27
  6. Step 6: Final answer
    x = 974,078.09

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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.