Home / 1,676,579.63-2,313,981.83-988,211.30

Finding the Fourth Proportional to 1,676,579.63, 2,313,981.83 and 988,211.30

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Solution

The fourth proportional to 1,676,579.63, 2,313,981.83 and 988,211.30 is: 1,363,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,579.63 : 2,313,981.83 = 988,211.30 : x
  2. Step 2: Convert to fraction form
    1,676,579.63/2,313,981.83 = 988,211.30/x
  3. Step 3: Cross multiply
    1,676,579.63x = 2,313,981.83 × 988,211.30
  4. Step 4: Simplify right side
    1,676,579.63x = 2,286,702,983,301.30
  5. Step 5: Solve for x
    x = 2,286,702,983,301.30/1,676,579.63
  6. Step 6: Final answer
    x = 1,363,909.56

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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.