Home / 1,895,139.35-2,842,397.54-680,464.43

Finding the Fourth Proportional to 1,895,139.35, 2,842,397.54 and 680,464.43

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Solution

The fourth proportional to 1,895,139.35, 2,842,397.54 and 680,464.43 is: 1,020,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895,139.35 : 2,842,397.54 = 680,464.43 : x
  2. Step 2: Convert to fraction form
    1,895,139.35/2,842,397.54 = 680,464.43/x
  3. Step 3: Cross multiply
    1,895,139.35x = 2,842,397.54 × 680,464.43
  4. Step 4: Simplify right side
    1,895,139.35x = 1,934,150,418,487.18
  5. Step 5: Solve for x
    x = 1,934,150,418,487.18/1,895,139.35
  6. Step 6: Final answer
    x = 1,020,584.80

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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.