Home / 1,513,433.28-2,270,141.72-648,740.87

Finding the Fourth Proportional to 1,513,433.28, 2,270,141.72 and 648,740.87

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Solution

The fourth proportional to 1,513,433.28, 2,270,141.72 and 648,740.87 is: 973,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,433.28 : 2,270,141.72 = 648,740.87 : x
  2. Step 2: Convert to fraction form
    1,513,433.28/2,270,141.72 = 648,740.87/x
  3. Step 3: Cross multiply
    1,513,433.28x = 2,270,141.72 × 648,740.87
  4. Step 4: Simplify right side
    1,513,433.28x = 1,472,733,699,861.68
  5. Step 5: Solve for x
    x = 1,472,733,699,861.68/1,513,433.28
  6. Step 6: Final answer
    x = 973,107.78

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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.