Home / 1,217,475.32-1,826,462.06-418,653.12

Finding the Fourth Proportional to 1,217,475.32, 1,826,462.06 and 418,653.12

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Solution

The fourth proportional to 1,217,475.32, 1,826,462.06 and 418,653.12 is: 628,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,475.32 : 1,826,462.06 = 418,653.12 : x
  2. Step 2: Convert to fraction form
    1,217,475.32/1,826,462.06 = 418,653.12/x
  3. Step 3: Cross multiply
    1,217,475.32x = 1,826,462.06 × 418,653.12
  4. Step 4: Simplify right side
    1,217,475.32x = 764,654,039,980.63
  5. Step 5: Solve for x
    x = 764,654,039,980.63/1,217,475.32
  6. Step 6: Final answer
    x = 628,065.33

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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.