Home / 1,005,192.28-1,507,975.28-331,320.98

Finding the Fourth Proportional to 1,005,192.28, 1,507,975.28 and 331,320.98

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Solution

The fourth proportional to 1,005,192.28, 1,507,975.28 and 331,320.98 is: 497,043.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,192.28 : 1,507,975.28 = 331,320.98 : x
  2. Step 2: Convert to fraction form
    1,005,192.28/1,507,975.28 = 331,320.98/x
  3. Step 3: Cross multiply
    1,005,192.28x = 1,507,975.28 × 331,320.98
  4. Step 4: Simplify right side
    1,005,192.28x = 499,623,850,941.16
  5. Step 5: Solve for x
    x = 499,623,850,941.16/1,005,192.28
  6. Step 6: Final answer
    x = 497,043.06

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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.