Home / 1,513,738.80-2,270,981.88-448,780.86

Finding the Fourth Proportional to 1,513,738.80, 2,270,981.88 and 448,780.86

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Solution

The fourth proportional to 1,513,738.80, 2,270,981.88 and 448,780.86 is: 673,282.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,738.80 : 2,270,981.88 = 448,780.86 : x
  2. Step 2: Convert to fraction form
    1,513,738.80/2,270,981.88 = 448,780.86/x
  3. Step 3: Cross multiply
    1,513,738.80x = 2,270,981.88 × 448,780.86
  4. Step 4: Simplify right side
    1,513,738.80x = 1,019,173,201,150.82
  5. Step 5: Solve for x
    x = 1,019,173,201,150.82/1,513,738.80
  6. Step 6: Final answer
    x = 673,282.08

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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.