Home / 1,689,771.72-2,331,795.74-964,590.60

Finding the Fourth Proportional to 1,689,771.72, 2,331,795.74 and 964,590.60

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Solution

The fourth proportional to 1,689,771.72, 2,331,795.74 and 964,590.60 is: 1,331,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,771.72 : 2,331,795.74 = 964,590.60 : x
  2. Step 2: Convert to fraction form
    1,689,771.72/2,331,795.74 = 964,590.60/x
  3. Step 3: Cross multiply
    1,689,771.72x = 2,331,795.74 × 964,590.60
  4. Step 4: Simplify right side
    1,689,771.72x = 2,249,228,251,924.04
  5. Step 5: Solve for x
    x = 2,249,228,251,924.04/1,689,771.72
  6. Step 6: Final answer
    x = 1,331,084.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.