Home / 1,676,622.76-2,313,739.68-912,682.04

Finding the Fourth Proportional to 1,676,622.76, 2,313,739.68 and 912,682.04

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Solution

The fourth proportional to 1,676,622.76, 2,313,739.68 and 912,682.04 is: 1,259,501.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,622.76 : 2,313,739.68 = 912,682.04 : x
  2. Step 2: Convert to fraction form
    1,676,622.76/2,313,739.68 = 912,682.04/x
  3. Step 3: Cross multiply
    1,676,622.76x = 2,313,739.68 × 912,682.04
  4. Step 4: Simplify right side
    1,676,622.76x = 2,111,708,651,171.35
  5. Step 5: Solve for x
    x = 2,111,708,651,171.35/1,676,622.76
  6. Step 6: Final answer
    x = 1,259,501.36

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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.