Home / 1,558,406.48-2,339,046.52-790,443.20

Finding the Fourth Proportional to 1,558,406.48, 2,339,046.52 and 790,443.20

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Solution

The fourth proportional to 1,558,406.48, 2,339,046.52 and 790,443.20 is: 1,186,393.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,406.48 : 2,339,046.52 = 790,443.20 : x
  2. Step 2: Convert to fraction form
    1,558,406.48/2,339,046.52 = 790,443.20/x
  3. Step 3: Cross multiply
    1,558,406.48x = 2,339,046.52 × 790,443.20
  4. Step 4: Simplify right side
    1,558,406.48x = 1,848,883,416,217.66
  5. Step 5: Solve for x
    x = 1,848,883,416,217.66/1,558,406.48
  6. Step 6: Final answer
    x = 1,186,393.56

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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.