Home / 1,676,447.28-2,313,546.75-1,187,291.93

Finding the Fourth Proportional to 1,676,447.28, 2,313,546.75 and 1,187,291.93

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Solution

The fourth proportional to 1,676,447.28, 2,313,546.75 and 1,187,291.93 is: 1,638,497.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,447.28 : 2,313,546.75 = 1,187,291.93 : x
  2. Step 2: Convert to fraction form
    1,676,447.28/2,313,546.75 = 1,187,291.93/x
  3. Step 3: Cross multiply
    1,676,447.28x = 2,313,546.75 × 1,187,291.93
  4. Step 4: Simplify right side
    1,676,447.28x = 2,746,855,374,384.99
  5. Step 5: Solve for x
    x = 2,746,855,374,384.99/1,676,447.28
  6. Step 6: Final answer
    x = 1,638,497.92

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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.