Home / 1,676,430.08-2,313,523.08-1,187,274.73

Finding the Fourth Proportional to 1,676,430.08, 2,313,523.08 and 1,187,274.73

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Solution

The fourth proportional to 1,676,430.08, 2,313,523.08 and 1,187,274.73 is: 1,638,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,430.08 : 2,313,523.08 = 1,187,274.73 : x
  2. Step 2: Convert to fraction form
    1,676,430.08/2,313,523.08 = 1,187,274.73/x
  3. Step 3: Cross multiply
    1,676,430.08x = 2,313,523.08 × 1,187,274.73
  4. Step 4: Simplify right side
    1,676,430.08x = 2,746,787,488,709.82
  5. Step 5: Solve for x
    x = 2,746,787,488,709.82/1,676,430.08
  6. Step 6: Final answer
    x = 1,638,474.23

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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.