Home / 1,492,678.84-2,239,152.72-481,824.76

Finding the Fourth Proportional to 1,492,678.84, 2,239,152.72 and 481,824.76

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Solution

The fourth proportional to 1,492,678.84, 2,239,152.72 and 481,824.76 is: 722,780.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,678.84 : 2,239,152.72 = 481,824.76 : x
  2. Step 2: Convert to fraction form
    1,492,678.84/2,239,152.72 = 481,824.76/x
  3. Step 3: Cross multiply
    1,492,678.84x = 2,239,152.72 × 481,824.76
  4. Step 4: Simplify right side
    1,492,678.84x = 1,078,879,221,917.35
  5. Step 5: Solve for x
    x = 1,078,879,221,917.35/1,492,678.84
  6. Step 6: Final answer
    x = 722,780.54

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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.