Home / 1,239,440.80-1,859,161.20-441,623.20

Finding the Fourth Proportional to 1,239,440.80, 1,859,161.20 and 441,623.20

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Solution

The fourth proportional to 1,239,440.80, 1,859,161.20 and 441,623.20 is: 662,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,440.80 : 1,859,161.20 = 441,623.20 : x
  2. Step 2: Convert to fraction form
    1,239,440.80/1,859,161.20 = 441,623.20/x
  3. Step 3: Cross multiply
    1,239,440.80x = 1,859,161.20 × 441,623.20
  4. Step 4: Simplify right side
    1,239,440.80x = 821,048,718,459.84
  5. Step 5: Solve for x
    x = 821,048,718,459.84/1,239,440.80
  6. Step 6: Final answer
    x = 662,434.80

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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.