Home / 1,676,709.39-2,313,859.32-912,762.75

Finding the Fourth Proportional to 1,676,709.39, 2,313,859.32 and 912,762.75

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Solution

The fourth proportional to 1,676,709.39, 2,313,859.32 and 912,762.75 is: 1,259,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,709.39 : 2,313,859.32 = 912,762.75 : x
  2. Step 2: Convert to fraction form
    1,676,709.39/2,313,859.32 = 912,762.75/x
  3. Step 3: Cross multiply
    1,676,709.39x = 2,313,859.32 × 912,762.75
  4. Step 4: Simplify right side
    1,676,709.39x = 2,112,004,596,036.33
  5. Step 5: Solve for x
    x = 2,112,004,596,036.33/1,676,709.39
  6. Step 6: Final answer
    x = 1,259,612.79

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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.