Home / 1,213,258.48-1,674,291.97-669,428.11

Finding the Fourth Proportional to 1,213,258.48, 1,674,291.97 and 669,428.11

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Solution

The fourth proportional to 1,213,258.48, 1,674,291.97 and 669,428.11 is: 923,808.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,258.48 : 1,674,291.97 = 669,428.11 : x
  2. Step 2: Convert to fraction form
    1,213,258.48/1,674,291.97 = 669,428.11/x
  3. Step 3: Cross multiply
    1,213,258.48x = 1,674,291.97 × 669,428.11
  4. Step 4: Simplify right side
    1,213,258.48x = 1,120,818,109,065.28
  5. Step 5: Solve for x
    x = 1,120,818,109,065.28/1,213,258.48
  6. Step 6: Final answer
    x = 923,808.18

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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.