Home / 1,336,699.95-2,005,049.93-769,829.55

Finding the Fourth Proportional to 1,336,699.95, 2,005,049.93 and 769,829.55

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Solution

The fourth proportional to 1,336,699.95, 2,005,049.93 and 769,829.55 is: 1,154,744.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,699.95 : 2,005,049.93 = 769,829.55 : x
  2. Step 2: Convert to fraction form
    1,336,699.95/2,005,049.93 = 769,829.55/x
  3. Step 3: Cross multiply
    1,336,699.95x = 2,005,049.93 × 769,829.55
  4. Step 4: Simplify right side
    1,336,699.95x = 1,543,546,681,490.28
  5. Step 5: Solve for x
    x = 1,543,546,681,490.28/1,336,699.95
  6. Step 6: Final answer
    x = 1,154,744.33

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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.