Home / 1,992,464.89-2,988,475.89-713,020.69

Finding the Fourth Proportional to 1,992,464.89, 2,988,475.89 and 713,020.69

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Solution

The fourth proportional to 1,992,464.89, 2,988,475.89 and 713,020.69 is: 1,069,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,464.89 : 2,988,475.89 = 713,020.69 : x
  2. Step 2: Convert to fraction form
    1,992,464.89/2,988,475.89 = 713,020.69/x
  3. Step 3: Cross multiply
    1,992,464.89x = 2,988,475.89 × 713,020.69
  4. Step 4: Simplify right side
    1,992,464.89x = 2,130,845,141,136.16
  5. Step 5: Solve for x
    x = 2,130,845,141,136.16/1,992,464.89
  6. Step 6: Final answer
    x = 1,069,451.79

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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.