Home / 1,020,961.20-1,531,538.16-301,305.63

Finding the Fourth Proportional to 1,020,961.20, 1,531,538.16 and 301,305.63

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Solution

The fourth proportional to 1,020,961.20, 1,531,538.16 and 301,305.63 is: 451,986.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,961.20 : 1,531,538.16 = 301,305.63 : x
  2. Step 2: Convert to fraction form
    1,020,961.20/1,531,538.16 = 301,305.63/x
  3. Step 3: Cross multiply
    1,020,961.20x = 1,531,538.16 × 301,305.63
  4. Step 4: Simplify right side
    1,020,961.20x = 461,461,070,167.84
  5. Step 5: Solve for x
    x = 461,461,070,167.84/1,020,961.20
  6. Step 6: Final answer
    x = 451,986.88

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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.