Home / 1,086,710.77-1,629,433.95-727,291.90

Finding the Fourth Proportional to 1,086,710.77, 1,629,433.95 and 727,291.90

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Solution

The fourth proportional to 1,086,710.77, 1,629,433.95 and 727,291.90 is: 1,090,514.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,710.77 : 1,629,433.95 = 727,291.90 : x
  2. Step 2: Convert to fraction form
    1,086,710.77/1,629,433.95 = 727,291.90/x
  3. Step 3: Cross multiply
    1,086,710.77x = 1,629,433.95 × 727,291.90
  4. Step 4: Simplify right side
    1,086,710.77x = 1,185,074,113,420.00
  5. Step 5: Solve for x
    x = 1,185,074,113,420.00/1,086,710.77
  6. Step 6: Final answer
    x = 1,090,514.74

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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.