Home / 1,257,378.96-1,885,010.48-546,871.87

Finding the Fourth Proportional to 1,257,378.96, 1,885,010.48 and 546,871.87

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Solution

The fourth proportional to 1,257,378.96, 1,885,010.48 and 546,871.87 is: 819,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,378.96 : 1,885,010.48 = 546,871.87 : x
  2. Step 2: Convert to fraction form
    1,257,378.96/1,885,010.48 = 546,871.87/x
  3. Step 3: Cross multiply
    1,257,378.96x = 1,885,010.48 × 546,871.87
  4. Step 4: Simplify right side
    1,257,378.96x = 1,030,859,206,167.20
  5. Step 5: Solve for x
    x = 1,030,859,206,167.20/1,257,378.96
  6. Step 6: Final answer
    x = 819,847.67

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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.