Home / 1,281,290.48-1,768,217.77-708,367.56

Finding the Fourth Proportional to 1,281,290.48, 1,768,217.77 and 708,367.56

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Solution

The fourth proportional to 1,281,290.48, 1,768,217.77 and 708,367.56 is: 977,567.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,290.48 : 1,768,217.77 = 708,367.56 : x
  2. Step 2: Convert to fraction form
    1,281,290.48/1,768,217.77 = 708,367.56/x
  3. Step 3: Cross multiply
    1,281,290.48x = 1,768,217.77 × 708,367.56
  4. Step 4: Simplify right side
    1,281,290.48x = 1,252,548,105,512.62
  5. Step 5: Solve for x
    x = 1,252,548,105,512.62/1,281,290.48
  6. Step 6: Final answer
    x = 977,567.63

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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.