Home / 1,139,325.08-1,571,016.62-731,272.78

Finding the Fourth Proportional to 1,139,325.08, 1,571,016.62 and 731,272.78

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Solution

The fourth proportional to 1,139,325.08, 1,571,016.62 and 731,272.78 is: 1,008,352.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,325.08 : 1,571,016.62 = 731,272.78 : x
  2. Step 2: Convert to fraction form
    1,139,325.08/1,571,016.62 = 731,272.78/x
  3. Step 3: Cross multiply
    1,139,325.08x = 1,571,016.62 × 731,272.78
  4. Step 4: Simplify right side
    1,139,325.08x = 1,148,841,679,622.16
  5. Step 5: Solve for x
    x = 1,148,841,679,622.16/1,139,325.08
  6. Step 6: Final answer
    x = 1,008,352.84

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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.