Home / 1,139,325.58-1,571,017.30-731,273.28

Finding the Fourth Proportional to 1,139,325.58, 1,571,017.30 and 731,273.28

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Solution

The fourth proportional to 1,139,325.58, 1,571,017.30 and 731,273.28 is: 1,008,353.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,325.58 : 1,571,017.30 = 731,273.28 : x
  2. Step 2: Convert to fraction form
    1,139,325.58/1,571,017.30 = 731,273.28/x
  3. Step 3: Cross multiply
    1,139,325.58x = 1,571,017.30 × 731,273.28
  4. Step 4: Simplify right side
    1,139,325.58x = 1,148,842,973,907.74
  5. Step 5: Solve for x
    x = 1,148,842,973,907.74/1,139,325.58
  6. Step 6: Final answer
    x = 1,008,353.53

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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.