Home / 1,049,903.67-1,575,105.80-339,931.92

Finding the Fourth Proportional to 1,049,903.67, 1,575,105.80 and 339,931.92

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Solution

The fourth proportional to 1,049,903.67, 1,575,105.80 and 339,931.92 is: 509,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,903.67 : 1,575,105.80 = 339,931.92 : x
  2. Step 2: Convert to fraction form
    1,049,903.67/1,575,105.80 = 339,931.92/x
  3. Step 3: Cross multiply
    1,049,903.67x = 1,575,105.80 × 339,931.92
  4. Step 4: Simplify right side
    1,049,903.67x = 535,428,738,797.14
  5. Step 5: Solve for x
    x = 535,428,738,797.14/1,049,903.67
  6. Step 6: Final answer
    x = 509,978.92

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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.