Home / 1,084,486.32-1,624,950.72-768,378.96

Finding the Fourth Proportional to 1,084,486.32, 1,624,950.72 and 768,378.96

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Solution

The fourth proportional to 1,084,486.32, 1,624,950.72 and 768,378.96 is: 1,151,308.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,486.32 : 1,624,950.72 = 768,378.96 : x
  2. Step 2: Convert to fraction form
    1,084,486.32/1,624,950.72 = 768,378.96/x
  3. Step 3: Cross multiply
    1,084,486.32x = 1,624,950.72 × 768,378.96
  4. Step 4: Simplify right side
    1,084,486.32x = 1,248,577,944,284.85
  5. Step 5: Solve for x
    x = 1,248,577,944,284.85/1,084,486.32
  6. Step 6: Final answer
    x = 1,151,308.16

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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.