Home / 1,478,968.78-2,218,698.30-519,175.39

Finding the Fourth Proportional to 1,478,968.78, 2,218,698.30 and 519,175.39

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Solution

The fourth proportional to 1,478,968.78, 2,218,698.30 and 519,175.39 is: 778,849.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,968.78 : 2,218,698.30 = 519,175.39 : x
  2. Step 2: Convert to fraction form
    1,478,968.78/2,218,698.30 = 519,175.39/x
  3. Step 3: Cross multiply
    1,478,968.78x = 2,218,698.30 × 519,175.39
  4. Step 4: Simplify right side
    1,478,968.78x = 1,151,893,555,194.84
  5. Step 5: Solve for x
    x = 1,151,893,555,194.84/1,478,968.78
  6. Step 6: Final answer
    x = 778,849.14

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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.