Home / 1,331,536.14-1,997,807.40-799,428.09

Finding the Fourth Proportional to 1,331,536.14, 1,997,807.40 and 799,428.09

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Solution

The fourth proportional to 1,331,536.14, 1,997,807.40 and 799,428.09 is: 1,199,444.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,536.14 : 1,997,807.40 = 799,428.09 : x
  2. Step 2: Convert to fraction form
    1,331,536.14/1,997,807.40 = 799,428.09/x
  3. Step 3: Cross multiply
    1,331,536.14x = 1,997,807.40 × 799,428.09
  4. Step 4: Simplify right side
    1,331,536.14x = 1,597,103,353,969.87
  5. Step 5: Solve for x
    x = 1,597,103,353,969.87/1,331,536.14
  6. Step 6: Final answer
    x = 1,199,444.24

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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.