Home / 1,005,173.08-1,507,946.39-331,301.72

Finding the Fourth Proportional to 1,005,173.08, 1,507,946.39 and 331,301.72

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Solution

The fourth proportional to 1,005,173.08, 1,507,946.39 and 331,301.72 is: 497,014.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,173.08 : 1,507,946.39 = 331,301.72 : x
  2. Step 2: Convert to fraction form
    1,005,173.08/1,507,946.39 = 331,301.72/x
  3. Step 3: Cross multiply
    1,005,173.08x = 1,507,946.39 × 331,301.72
  4. Step 4: Simplify right side
    1,005,173.08x = 499,585,236,030.53
  5. Step 5: Solve for x
    x = 499,585,236,030.53/1,005,173.08
  6. Step 6: Final answer
    x = 497,014.14

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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.