Home / 1,005,066.87-1,507,784.99-331,187.91

Finding the Fourth Proportional to 1,005,066.87, 1,507,784.99 and 331,187.91

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Solution

The fourth proportional to 1,005,066.87, 1,507,784.99 and 331,187.91 is: 496,842.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,066.87 : 1,507,784.99 = 331,187.91 : x
  2. Step 2: Convert to fraction form
    1,005,066.87/1,507,784.99 = 331,187.91/x
  3. Step 3: Cross multiply
    1,005,066.87x = 1,507,784.99 × 331,187.91
  4. Step 4: Simplify right side
    1,005,066.87x = 499,360,157,911.53
  5. Step 5: Solve for x
    x = 499,360,157,911.53/1,005,066.87
  6. Step 6: Final answer
    x = 496,842.72

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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.