Home / 1,558,431.75-2,337,881.40-547,375.50

Finding the Fourth Proportional to 1,558,431.75, 2,337,881.40 and 547,375.50

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Solution

The fourth proportional to 1,558,431.75, 2,337,881.40 and 547,375.50 is: 821,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,431.75 : 2,337,881.40 = 547,375.50 : x
  2. Step 2: Convert to fraction form
    1,558,431.75/2,337,881.40 = 547,375.50/x
  3. Step 3: Cross multiply
    1,558,431.75x = 2,337,881.40 × 547,375.50
  4. Step 4: Simplify right side
    1,558,431.75x = 1,279,699,000,265.70
  5. Step 5: Solve for x
    x = 1,279,699,000,265.70/1,558,431.75
  6. Step 6: Final answer
    x = 821,145.36

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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.