Home / 1,478,974.93-2,218,707.65-519,181.63

Finding the Fourth Proportional to 1,478,974.93, 2,218,707.65 and 519,181.63

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Solution

The fourth proportional to 1,478,974.93, 2,218,707.65 and 519,181.63 is: 778,858.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,974.93 : 2,218,707.65 = 519,181.63 : x
  2. Step 2: Convert to fraction form
    1,478,974.93/2,218,707.65 = 519,181.63/x
  3. Step 3: Cross multiply
    1,478,974.93x = 2,218,707.65 × 519,181.63
  4. Step 4: Simplify right side
    1,478,974.93x = 1,151,912,249,971.65
  5. Step 5: Solve for x
    x = 1,151,912,249,971.65/1,478,974.93
  6. Step 6: Final answer
    x = 778,858.54

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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.