Home / 1,600,668.45-2,400,825.82-402,591.25

Finding the Fourth Proportional to 1,600,668.45, 2,400,825.82 and 402,591.25

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Solution

The fourth proportional to 1,600,668.45, 2,400,825.82 and 402,591.25 is: 603,842.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,668.45 : 2,400,825.82 = 402,591.25 : x
  2. Step 2: Convert to fraction form
    1,600,668.45/2,400,825.82 = 402,591.25/x
  3. Step 3: Cross multiply
    1,600,668.45x = 2,400,825.82 × 402,591.25
  4. Step 4: Simplify right side
    1,600,668.45x = 966,551,455,901.95
  5. Step 5: Solve for x
    x = 966,551,455,901.95/1,600,668.45
  6. Step 6: Final answer
    x = 603,842.39

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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.