Home / 1,585,776.75-2,378,643.85-387,709.39

Finding the Fourth Proportional to 1,585,776.75, 2,378,643.85 and 387,709.39

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Solution

The fourth proportional to 1,585,776.75, 2,378,643.85 and 387,709.39 is: 581,558.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,776.75 : 2,378,643.85 = 387,709.39 : x
  2. Step 2: Convert to fraction form
    1,585,776.75/2,378,643.85 = 387,709.39/x
  3. Step 3: Cross multiply
    1,585,776.75x = 2,378,643.85 × 387,709.39
  4. Step 4: Simplify right side
    1,585,776.75x = 922,222,556,110.75
  5. Step 5: Solve for x
    x = 922,222,556,110.75/1,585,776.75
  6. Step 6: Final answer
    x = 581,558.88

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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.