Home / 1,049,908.92-1,575,113.70-339,937.20

Finding the Fourth Proportional to 1,049,908.92, 1,575,113.70 and 339,937.20

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Solution

The fourth proportional to 1,049,908.92, 1,575,113.70 and 339,937.20 is: 509,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,908.92 : 1,575,113.70 = 339,937.20 : x
  2. Step 2: Convert to fraction form
    1,049,908.92/1,575,113.70 = 339,937.20/x
  3. Step 3: Cross multiply
    1,049,908.92x = 1,575,113.70 × 339,937.20
  4. Step 4: Simplify right side
    1,049,908.92x = 535,439,740,859.64
  5. Step 5: Solve for x
    x = 535,439,740,859.64/1,049,908.92
  6. Step 6: Final answer
    x = 509,986.85

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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.