Home / 1,207,462.28-1,811,255.45-308,911.76

Finding the Fourth Proportional to 1,207,462.28, 1,811,255.45 and 308,911.76

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Solution

The fourth proportional to 1,207,462.28, 1,811,255.45 and 308,911.76 is: 463,383.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,462.28 : 1,811,255.45 = 308,911.76 : x
  2. Step 2: Convert to fraction form
    1,207,462.28/1,811,255.45 = 308,911.76/x
  3. Step 3: Cross multiply
    1,207,462.28x = 1,811,255.45 × 308,911.76
  4. Step 4: Simplify right side
    1,207,462.28x = 559,518,105,060.46
  5. Step 5: Solve for x
    x = 559,518,105,060.46/1,207,462.28
  6. Step 6: Final answer
    x = 463,383.51

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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.