Home / 1,992,332.85-2,988,178.49-572,065.89

Finding the Fourth Proportional to 1,992,332.85, 2,988,178.49 and 572,065.89

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Solution

The fourth proportional to 1,992,332.85, 2,988,178.49 and 572,065.89 is: 858,006.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,332.85 : 2,988,178.49 = 572,065.89 : x
  2. Step 2: Convert to fraction form
    1,992,332.85/2,988,178.49 = 572,065.89/x
  3. Step 3: Cross multiply
    1,992,332.85x = 2,988,178.49 × 572,065.89
  4. Step 4: Simplify right side
    1,992,332.85x = 1,709,434,984,500.38
  5. Step 5: Solve for x
    x = 1,709,434,984,500.38/1,992,332.85
  6. Step 6: Final answer
    x = 858,006.73

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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.