Home / 1,098,343.51-1,648,188.66-491,644.81

Finding the Fourth Proportional to 1,098,343.51, 1,648,188.66 and 491,644.81

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Solution

The fourth proportional to 1,098,343.51, 1,648,188.66 and 491,644.81 is: 737,768.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,343.51 : 1,648,188.66 = 491,644.81 : x
  2. Step 2: Convert to fraction form
    1,098,343.51/1,648,188.66 = 491,644.81/x
  3. Step 3: Cross multiply
    1,098,343.51x = 1,648,188.66 × 491,644.81
  4. Step 4: Simplify right side
    1,098,343.51x = 810,323,400,373.29
  5. Step 5: Solve for x
    x = 810,323,400,373.29/1,098,343.51
  6. Step 6: Final answer
    x = 737,768.64

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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.