Home / 1,617,042.10-2,425,570.35-418,879.30

Finding the Fourth Proportional to 1,617,042.10, 2,425,570.35 and 418,879.30

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Solution

The fourth proportional to 1,617,042.10, 2,425,570.35 and 418,879.30 is: 628,320.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,042.10 : 2,425,570.35 = 418,879.30 : x
  2. Step 2: Convert to fraction form
    1,617,042.10/2,425,570.35 = 418,879.30/x
  3. Step 3: Cross multiply
    1,617,042.10x = 2,425,570.35 × 418,879.30
  4. Step 4: Simplify right side
    1,617,042.10x = 1,016,021,210,308.76
  5. Step 5: Solve for x
    x = 1,016,021,210,308.76/1,617,042.10
  6. Step 6: Final answer
    x = 628,320.82

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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.