Home / 879,705.70-1,322,182.95-764,232.10

Finding the Fourth Proportional to 879,705.70, 1,322,182.95 and 764,232.10

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Solution

The fourth proportional to 879,705.70, 1,322,182.95 and 764,232.10 is: 1,148,628.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,705.70 : 1,322,182.95 = 764,232.10 : x
  2. Step 2: Convert to fraction form
    879,705.70/1,322,182.95 = 764,232.10/x
  3. Step 3: Cross multiply
    879,705.70x = 1,322,182.95 × 764,232.10
  4. Step 4: Simplify right side
    879,705.70x = 1,010,454,652,462.70
  5. Step 5: Solve for x
    x = 1,010,454,652,462.70/879,705.70
  6. Step 6: Final answer
    x = 1,148,628.06

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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.