Home / 1,082,931.32-1,622,621.46-766,820.72

Finding the Fourth Proportional to 1,082,931.32, 1,622,621.46 and 766,820.72

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Solution

The fourth proportional to 1,082,931.32, 1,622,621.46 and 766,820.72 is: 1,148,973.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,931.32 : 1,622,621.46 = 766,820.72 : x
  2. Step 2: Convert to fraction form
    1,082,931.32/1,622,621.46 = 766,820.72/x
  3. Step 3: Cross multiply
    1,082,931.32x = 1,622,621.46 × 766,820.72
  4. Step 4: Simplify right side
    1,082,931.32x = 1,244,259,756,244.65
  5. Step 5: Solve for x
    x = 1,244,259,756,244.65/1,082,931.32
  6. Step 6: Final answer
    x = 1,148,973.84

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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.