Home / 3,132,788.87-4,699,186.97-858,332.58

Finding the Fourth Proportional to 3,132,788.87, 4,699,186.97 and 858,332.58

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Solution

The fourth proportional to 3,132,788.87, 4,699,186.97 and 858,332.58 is: 1,287,499.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,788.87 : 4,699,186.97 = 858,332.58 : x
  2. Step 2: Convert to fraction form
    3,132,788.87/4,699,186.97 = 858,332.58/x
  3. Step 3: Cross multiply
    3,132,788.87x = 4,699,186.97 × 858,332.58
  4. Step 4: Simplify right side
    3,132,788.87x = 4,033,465,271,570.82
  5. Step 5: Solve for x
    x = 4,033,465,271,570.82/3,132,788.87
  6. Step 6: Final answer
    x = 1,287,499.87

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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.