Home / 1,005,113.39-1,507,892.42-331,167.47

Finding the Fourth Proportional to 1,005,113.39, 1,507,892.42 and 331,167.47

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Solution

The fourth proportional to 1,005,113.39, 1,507,892.42 and 331,167.47 is: 496,824.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,113.39 : 1,507,892.42 = 331,167.47 : x
  2. Step 2: Convert to fraction form
    1,005,113.39/1,507,892.42 = 331,167.47/x
  3. Step 3: Cross multiply
    1,005,113.39x = 1,507,892.42 × 331,167.47
  4. Step 4: Simplify right side
    1,005,113.39x = 499,364,911,052.03
  5. Step 5: Solve for x
    x = 499,364,911,052.03/1,005,113.39
  6. Step 6: Final answer
    x = 496,824.46

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Double scale
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1.5x scale

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.