Home / 1,226,386.81-1,839,588.42-427,665.25

Finding the Fourth Proportional to 1,226,386.81, 1,839,588.42 and 427,665.25

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Solution

The fourth proportional to 1,226,386.81, 1,839,588.42 and 427,665.25 is: 641,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,386.81 : 1,839,588.42 = 427,665.25 : x
  2. Step 2: Convert to fraction form
    1,226,386.81/1,839,588.42 = 427,665.25/x
  3. Step 3: Cross multiply
    1,226,386.81x = 1,839,588.42 × 427,665.25
  4. Step 4: Simplify right side
    1,226,386.81x = 786,728,048,086.99
  5. Step 5: Solve for x
    x = 786,728,048,086.99/1,226,386.81
  6. Step 6: Final answer
    x = 641,500.74

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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.