Home / 1,036,345.09-1,555,391.03-437,735.85

Finding the Fourth Proportional to 1,036,345.09, 1,555,391.03 and 437,735.85

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Solution

The fourth proportional to 1,036,345.09, 1,555,391.03 and 437,735.85 is: 656,972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,345.09 : 1,555,391.03 = 437,735.85 : x
  2. Step 2: Convert to fraction form
    1,036,345.09/1,555,391.03 = 437,735.85/x
  3. Step 3: Cross multiply
    1,036,345.09x = 1,555,391.03 × 437,735.85
  4. Step 4: Simplify right side
    1,036,345.09x = 680,850,414,599.43
  5. Step 5: Solve for x
    x = 680,850,414,599.43/1,036,345.09
  6. Step 6: Final answer
    x = 656,972.68

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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.