Home / 1,365,129.12-2,047,992.48-418,573.68

Finding the Fourth Proportional to 1,365,129.12, 2,047,992.48 and 418,573.68

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Solution

The fourth proportional to 1,365,129.12, 2,047,992.48 and 418,573.68 is: 627,952.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,129.12 : 2,047,992.48 = 418,573.68 : x
  2. Step 2: Convert to fraction form
    1,365,129.12/2,047,992.48 = 418,573.68/x
  3. Step 3: Cross multiply
    1,365,129.12x = 2,047,992.48 × 418,573.68
  4. Step 4: Simplify right side
    1,365,129.12x = 857,235,748,965.93
  5. Step 5: Solve for x
    x = 857,235,748,965.93/1,365,129.12
  6. Step 6: Final answer
    x = 627,952.14

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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.