Home / 1,227,232.80-1,840,097.52-478,404

Finding the Fourth Proportional to 1,227,232.80, 1,840,097.52 and 478,404

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Solution

The fourth proportional to 1,227,232.80, 1,840,097.52 and 478,404 is: 717,312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,232.80 : 1,840,097.52 = 478,404 : x
  2. Step 2: Convert to fraction form
    1,227,232.80/1,840,097.52 = 478,404/x
  3. Step 3: Cross multiply
    1,227,232.80x = 1,840,097.52 × 478,404
  4. Step 4: Simplify right side
    1,227,232.80x = 880,310,013,958.08
  5. Step 5: Solve for x
    x = 880,310,013,958.08/1,227,232.80
  6. Step 6: Final answer
    x = 717,312.98

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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.