Home / 1,207,461.20-1,811,253.84-308,910.74

Finding the Fourth Proportional to 1,207,461.20, 1,811,253.84 and 308,910.74

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Solution

The fourth proportional to 1,207,461.20, 1,811,253.84 and 308,910.74 is: 463,381.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,461.20 : 1,811,253.84 = 308,910.74 : x
  2. Step 2: Convert to fraction form
    1,207,461.20/1,811,253.84 = 308,910.74/x
  3. Step 3: Cross multiply
    1,207,461.20x = 1,811,253.84 × 308,910.74
  4. Step 4: Simplify right side
    1,207,461.20x = 559,515,754,985.97
  5. Step 5: Solve for x
    x = 559,515,754,985.97/1,207,461.20
  6. Step 6: Final answer
    x = 463,381.98

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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.