Home / 1,207,450.98-1,811,238.51-308,900.51

Finding the Fourth Proportional to 1,207,450.98, 1,811,238.51 and 308,900.51

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Solution

The fourth proportional to 1,207,450.98, 1,811,238.51 and 308,900.51 is: 463,366.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,450.98 : 1,811,238.51 = 308,900.51 : x
  2. Step 2: Convert to fraction form
    1,207,450.98/1,811,238.51 = 308,900.51/x
  3. Step 3: Cross multiply
    1,207,450.98x = 1,811,238.51 × 308,900.51
  4. Step 4: Simplify right side
    1,207,450.98x = 559,492,490,414.45
  5. Step 5: Solve for x
    x = 559,492,490,414.45/1,207,450.98
  6. Step 6: Final answer
    x = 463,366.63

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Double scale
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1.5x scale

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.