Home / 1,005,506.91-1,507,939.83-331,462.59

Finding the Fourth Proportional to 1,005,506.91, 1,507,939.83 and 331,462.59

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Solution

The fourth proportional to 1,005,506.91, 1,507,939.83 and 331,462.59 is: 497,088.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,506.91 : 1,507,939.83 = 331,462.59 : x
  2. Step 2: Convert to fraction form
    1,005,506.91/1,507,939.83 = 331,462.59/x
  3. Step 3: Cross multiply
    1,005,506.91x = 1,507,939.83 × 331,462.59
  4. Step 4: Simplify right side
    1,005,506.91x = 499,825,641,615.96
  5. Step 5: Solve for x
    x = 499,825,641,615.96/1,005,506.91
  6. Step 6: Final answer
    x = 497,088.22

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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.