Home / 1,676,291.76-2,313,282.51-912,350.79

Finding the Fourth Proportional to 1,676,291.76, 2,313,282.51 and 912,350.79

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Solution

The fourth proportional to 1,676,291.76, 2,313,282.51 and 912,350.79 is: 1,259,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,291.76 : 2,313,282.51 = 912,350.79 : x
  2. Step 2: Convert to fraction form
    1,676,291.76/2,313,282.51 = 912,350.79/x
  3. Step 3: Cross multiply
    1,676,291.76x = 2,313,282.51 × 912,350.79
  4. Step 4: Simplify right side
    1,676,291.76x = 2,110,525,125,491.68
  5. Step 5: Solve for x
    x = 2,110,525,125,491.68/1,676,291.76
  6. Step 6: Final answer
    x = 1,259,044.03

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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.