Home / 996,163.60-1,492,495.80-817,704.40

Finding the Fourth Proportional to 996,163.60, 1,492,495.80 and 817,704.40

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Solution

The fourth proportional to 996,163.60, 1,492,495.80 and 817,704.40 is: 1,225,120.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,163.60 : 1,492,495.80 = 817,704.40 : x
  2. Step 2: Convert to fraction form
    996,163.60/1,492,495.80 = 817,704.40/x
  3. Step 3: Cross multiply
    996,163.60x = 1,492,495.80 × 817,704.40
  4. Step 4: Simplify right side
    996,163.60x = 1,220,420,382,641.52
  5. Step 5: Solve for x
    x = 1,220,420,382,641.52/996,163.60
  6. Step 6: Final answer
    x = 1,225,120.43

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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.