Home / 1,005,171.39-1,507,943.86-331,300.04

Finding the Fourth Proportional to 1,005,171.39, 1,507,943.86 and 331,300.04

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Solution

The fourth proportional to 1,005,171.39, 1,507,943.86 and 331,300.04 is: 497,011.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,171.39 : 1,507,943.86 = 331,300.04 : x
  2. Step 2: Convert to fraction form
    1,005,171.39/1,507,943.86 = 331,300.04/x
  3. Step 3: Cross multiply
    1,005,171.39x = 1,507,943.86 × 331,300.04
  4. Step 4: Simplify right side
    1,005,171.39x = 499,581,852,767.79
  5. Step 5: Solve for x
    x = 499,581,852,767.79/1,005,171.39
  6. Step 6: Final answer
    x = 497,011.61

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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.