Home / 1,296,169.23-1,788,712.43-723,209.40

Finding the Fourth Proportional to 1,296,169.23, 1,788,712.43 and 723,209.40

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Solution

The fourth proportional to 1,296,169.23, 1,788,712.43 and 723,209.40 is: 998,028.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,169.23 : 1,788,712.43 = 723,209.40 : x
  2. Step 2: Convert to fraction form
    1,296,169.23/1,788,712.43 = 723,209.40/x
  3. Step 3: Cross multiply
    1,296,169.23x = 1,788,712.43 × 723,209.40
  4. Step 4: Simplify right side
    1,296,169.23x = 1,293,613,639,656.80
  5. Step 5: Solve for x
    x = 1,293,613,639,656.80/1,296,169.23
  6. Step 6: Final answer
    x = 998,028.35

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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.