Home / 1,390,675.29-2,086,890.50-591,955.55

Finding the Fourth Proportional to 1,390,675.29, 2,086,890.50 and 591,955.55

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Solution

The fourth proportional to 1,390,675.29, 2,086,890.50 and 591,955.55 is: 888,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,675.29 : 2,086,890.50 = 591,955.55 : x
  2. Step 2: Convert to fraction form
    1,390,675.29/2,086,890.50 = 591,955.55/x
  3. Step 3: Cross multiply
    1,390,675.29x = 2,086,890.50 × 591,955.55
  4. Step 4: Simplify right side
    1,390,675.29x = 1,235,346,410,757.50
  5. Step 5: Solve for x
    x = 1,235,346,410,757.50/1,390,675.29
  6. Step 6: Final answer
    x = 888,306.87

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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.