Home / 1,209,893.88-1,669,653.55-673,476.60

Finding the Fourth Proportional to 1,209,893.88, 1,669,653.55 and 673,476.60

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Solution

The fourth proportional to 1,209,893.88, 1,669,653.55 and 673,476.60 is: 929,397.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,893.88 : 1,669,653.55 = 673,476.60 : x
  2. Step 2: Convert to fraction form
    1,209,893.88/1,669,653.55 = 673,476.60/x
  3. Step 3: Cross multiply
    1,209,893.88x = 1,669,653.55 × 673,476.60
  4. Step 4: Simplify right side
    1,209,893.88x = 1,124,472,596,031.93
  5. Step 5: Solve for x
    x = 1,124,472,596,031.93/1,209,893.88
  6. Step 6: Final answer
    x = 929,397.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.