Home / 1,051,332.80-1,576,431-331,538.72

Finding the Fourth Proportional to 1,051,332.80, 1,576,431 and 331,538.72

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Solution

The fourth proportional to 1,051,332.80, 1,576,431 and 331,538.72 is: 497,128.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,332.80 : 1,576,431 = 331,538.72 : x
  2. Step 2: Convert to fraction form
    1,051,332.80/1,576,431 = 331,538.72/x
  3. Step 3: Cross multiply
    1,051,332.80x = 1,576,431 × 331,538.72
  4. Step 4: Simplify right side
    1,051,332.80x = 522,647,915,908.32
  5. Step 5: Solve for x
    x = 522,647,915,908.32/1,051,332.80
  6. Step 6: Final answer
    x = 497,128.90

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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.