Home / 1,145,955.53-1,717,864.82-387,266.43

Finding the Fourth Proportional to 1,145,955.53, 1,717,864.82 and 387,266.43

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Solution

The fourth proportional to 1,145,955.53, 1,717,864.82 and 387,266.43 is: 580,538.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,955.53 : 1,717,864.82 = 387,266.43 : x
  2. Step 2: Convert to fraction form
    1,145,955.53/1,717,864.82 = 387,266.43/x
  3. Step 3: Cross multiply
    1,145,955.53x = 1,717,864.82 × 387,266.43
  4. Step 4: Simplify right side
    1,145,955.53x = 665,271,374,127.66
  5. Step 5: Solve for x
    x = 665,271,374,127.66/1,145,955.53
  6. Step 6: Final answer
    x = 580,538.56

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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.