Home / 1,984,125.68-2,738,079.96-1,078,707.68

Finding the Fourth Proportional to 1,984,125.68, 2,738,079.96 and 1,078,707.68

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Solution

The fourth proportional to 1,984,125.68, 2,738,079.96 and 1,078,707.68 is: 1,488,609.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,125.68 : 2,738,079.96 = 1,078,707.68 : x
  2. Step 2: Convert to fraction form
    1,984,125.68/2,738,079.96 = 1,078,707.68/x
  3. Step 3: Cross multiply
    1,984,125.68x = 2,738,079.96 × 1,078,707.68
  4. Step 4: Simplify right side
    1,984,125.68x = 2,953,587,881,306.09
  5. Step 5: Solve for x
    x = 2,953,587,881,306.09/1,984,125.68
  6. Step 6: Final answer
    x = 1,488,609.27

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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.