Home / 1,649,790-2,475,071.64-512,493.84

Finding the Fourth Proportional to 1,649,790, 2,475,071.64 and 512,493.84

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Solution

The fourth proportional to 1,649,790, 2,475,071.64 and 512,493.84 is: 768,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649,790 : 2,475,071.64 = 512,493.84 : x
  2. Step 2: Convert to fraction form
    1,649,790/2,475,071.64 = 512,493.84/x
  3. Step 3: Cross multiply
    1,649,790x = 2,475,071.64 × 512,493.84
  4. Step 4: Simplify right side
    1,649,790x = 1,268,458,969,058.70
  5. Step 5: Solve for x
    x = 1,268,458,969,058.70/1,649,790
  6. Step 6: Final answer
    x = 768,860.87

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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.