Home / 1,637,960.80-2,457,286.80-516,143.20

Finding the Fourth Proportional to 1,637,960.80, 2,457,286.80 and 516,143.20

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Solution

The fourth proportional to 1,637,960.80, 2,457,286.80 and 516,143.20 is: 774,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,960.80 : 2,457,286.80 = 516,143.20 : x
  2. Step 2: Convert to fraction form
    1,637,960.80/2,457,286.80 = 516,143.20/x
  3. Step 3: Cross multiply
    1,637,960.80x = 2,457,286.80 × 516,143.20
  4. Step 4: Simplify right side
    1,637,960.80x = 1,268,311,872,269.76
  5. Step 5: Solve for x
    x = 1,268,311,872,269.76/1,637,960.80
  6. Step 6: Final answer
    x = 774,323.70

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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.