Home / 1,323,446.80-1,985,429.40-565,286.80

Finding the Fourth Proportional to 1,323,446.80, 1,985,429.40 and 565,286.80

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Solution

The fourth proportional to 1,323,446.80, 1,985,429.40 and 565,286.80 is: 848,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,446.80 : 1,985,429.40 = 565,286.80 : x
  2. Step 2: Convert to fraction form
    1,323,446.80/1,985,429.40 = 565,286.80/x
  3. Step 3: Cross multiply
    1,323,446.80x = 1,985,429.40 × 565,286.80
  4. Step 4: Simplify right side
    1,323,446.80x = 1,122,337,032,151.92
  5. Step 5: Solve for x
    x = 1,122,337,032,151.92/1,323,446.80
  6. Step 6: Final answer
    x = 848,040.91

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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.