Home / 1,613,653.84-2,419,584.64-748,142.88

Finding the Fourth Proportional to 1,613,653.84, 2,419,584.64 and 748,142.88

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Solution

The fourth proportional to 1,613,653.84, 2,419,584.64 and 748,142.88 is: 1,121,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,653.84 : 2,419,584.64 = 748,142.88 : x
  2. Step 2: Convert to fraction form
    1,613,653.84/2,419,584.64 = 748,142.88/x
  3. Step 3: Cross multiply
    1,613,653.84x = 2,419,584.64 × 748,142.88
  4. Step 4: Simplify right side
    1,613,653.84x = 1,810,195,020,973.36
  5. Step 5: Solve for x
    x = 1,810,195,020,973.36/1,613,653.84
  6. Step 6: Final answer
    x = 1,121,798.85

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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.