Home / 1,010,928.54-1,516,720.90-300,962.72

Finding the Fourth Proportional to 1,010,928.54, 1,516,720.90 and 300,962.72

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Solution

The fourth proportional to 1,010,928.54, 1,516,720.90 and 300,962.72 is: 451,541.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,928.54 : 1,516,720.90 = 300,962.72 : x
  2. Step 2: Convert to fraction form
    1,010,928.54/1,516,720.90 = 300,962.72/x
  3. Step 3: Cross multiply
    1,010,928.54x = 1,516,720.90 × 300,962.72
  4. Step 4: Simplify right side
    1,010,928.54x = 456,476,447,544.85
  5. Step 5: Solve for x
    x = 456,476,447,544.85/1,010,928.54
  6. Step 6: Final answer
    x = 451,541.76

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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.