Home / 1,231,707.84-1,699,286.88-748,090.56

Finding the Fourth Proportional to 1,231,707.84, 1,699,286.88 and 748,090.56

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Solution

The fourth proportional to 1,231,707.84, 1,699,286.88 and 748,090.56 is: 1,032,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,707.84 : 1,699,286.88 = 748,090.56 : x
  2. Step 2: Convert to fraction form
    1,231,707.84/1,699,286.88 = 748,090.56/x
  3. Step 3: Cross multiply
    1,231,707.84x = 1,699,286.88 × 748,090.56
  4. Step 4: Simplify right side
    1,231,707.84x = 1,271,220,473,659.85
  5. Step 5: Solve for x
    x = 1,271,220,473,659.85/1,231,707.84
  6. Step 6: Final answer
    x = 1,032,079.55

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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.