Home / 1,418,258.57-2,127,371.45-407,405.30

Finding the Fourth Proportional to 1,418,258.57, 2,127,371.45 and 407,405.30

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Solution

The fourth proportional to 1,418,258.57, 2,127,371.45 and 407,405.30 is: 611,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,258.57 : 2,127,371.45 = 407,405.30 : x
  2. Step 2: Convert to fraction form
    1,418,258.57/2,127,371.45 = 407,405.30/x
  3. Step 3: Cross multiply
    1,418,258.57x = 2,127,371.45 × 407,405.30
  4. Step 4: Simplify right side
    1,418,258.57x = 866,702,391,124.80
  5. Step 5: Solve for x
    x = 866,702,391,124.80/1,418,258.57
  6. Step 6: Final answer
    x = 611,103.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.