Home / 1,463,760.81-2,019,946.44-810,415.89

Finding the Fourth Proportional to 1,463,760.81, 2,019,946.44 and 810,415.89

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Solution

The fourth proportional to 1,463,760.81, 2,019,946.44 and 810,415.89 is: 1,118,349.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,760.81 : 2,019,946.44 = 810,415.89 : x
  2. Step 2: Convert to fraction form
    1,463,760.81/2,019,946.44 = 810,415.89/x
  3. Step 3: Cross multiply
    1,463,760.81x = 2,019,946.44 × 810,415.89
  4. Step 4: Simplify right side
    1,463,760.81x = 1,636,996,691,924.93
  5. Step 5: Solve for x
    x = 1,636,996,691,924.93/1,463,760.81
  6. Step 6: Final answer
    x = 1,118,349.86

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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.