Home / 1,457,609.87-2,184,359.52-688,286.72

Finding the Fourth Proportional to 1,457,609.87, 2,184,359.52 and 688,286.72

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Solution

The fourth proportional to 1,457,609.87, 2,184,359.52 and 688,286.72 is: 1,031,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,609.87 : 2,184,359.52 = 688,286.72 : x
  2. Step 2: Convert to fraction form
    1,457,609.87/2,184,359.52 = 688,286.72/x
  3. Step 3: Cross multiply
    1,457,609.87x = 2,184,359.52 × 688,286.72
  4. Step 4: Simplify right side
    1,457,609.87x = 1,503,465,649,321.57
  5. Step 5: Solve for x
    x = 1,503,465,649,321.57/1,457,609.87
  6. Step 6: Final answer
    x = 1,031,459.57

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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.