Home / 1,099,900.35-1,518,075.27-717,262.83

Finding the Fourth Proportional to 1,099,900.35, 1,518,075.27 and 717,262.83

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Solution

The fourth proportional to 1,099,900.35, 1,518,075.27 and 717,262.83 is: 989,961.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,900.35 : 1,518,075.27 = 717,262.83 : x
  2. Step 2: Convert to fraction form
    1,099,900.35/1,518,075.27 = 717,262.83/x
  3. Step 3: Cross multiply
    1,099,900.35x = 1,518,075.27 × 717,262.83
  4. Step 4: Simplify right side
    1,099,900.35x = 1,088,858,964,313.21
  5. Step 5: Solve for x
    x = 1,088,858,964,313.21/1,099,900.35
  6. Step 6: Final answer
    x = 989,961.47

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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.