Home / 1,005,087.51-1,507,853.61-331,141.59

Finding the Fourth Proportional to 1,005,087.51, 1,507,853.61 and 331,141.59

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Solution

The fourth proportional to 1,005,087.51, 1,507,853.61 and 331,141.59 is: 496,785.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,087.51 : 1,507,853.61 = 331,141.59 : x
  2. Step 2: Convert to fraction form
    1,005,087.51/1,507,853.61 = 331,141.59/x
  3. Step 3: Cross multiply
    1,005,087.51x = 1,507,853.61 × 331,141.59
  4. Step 4: Simplify right side
    1,005,087.51x = 499,313,041,902.64
  5. Step 5: Solve for x
    x = 499,313,041,902.64/1,005,087.51
  6. Step 6: Final answer
    x = 496,785.64

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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.