Home / 1,279,285.28-1,765,517.27-735,597.77

Finding the Fourth Proportional to 1,279,285.28, 1,765,517.27 and 735,597.77

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Solution

The fourth proportional to 1,279,285.28, 1,765,517.27 and 735,597.77 is: 1,015,184.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,285.28 : 1,765,517.27 = 735,597.77 : x
  2. Step 2: Convert to fraction form
    1,279,285.28/1,765,517.27 = 735,597.77/x
  3. Step 3: Cross multiply
    1,279,285.28x = 1,765,517.27 × 735,597.77
  4. Step 4: Simplify right side
    1,279,285.28x = 1,298,710,566,708.49
  5. Step 5: Solve for x
    x = 1,298,710,566,708.49/1,279,285.28
  6. Step 6: Final answer
    x = 1,015,184.48

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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.