Home / 1,415,828.40-2,123,742.60-418,556.40

Finding the Fourth Proportional to 1,415,828.40, 2,123,742.60 and 418,556.40

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Solution

The fourth proportional to 1,415,828.40, 2,123,742.60 and 418,556.40 is: 627,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,828.40 : 2,123,742.60 = 418,556.40 : x
  2. Step 2: Convert to fraction form
    1,415,828.40/2,123,742.60 = 418,556.40/x
  3. Step 3: Cross multiply
    1,415,828.40x = 2,123,742.60 × 418,556.40
  4. Step 4: Simplify right side
    1,415,828.40x = 888,906,057,182.64
  5. Step 5: Solve for x
    x = 888,906,057,182.64/1,415,828.40
  6. Step 6: Final answer
    x = 627,834.60

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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.