Home / 1,323,390.80-1,985,086.20-966,731.60

Finding the Fourth Proportional to 1,323,390.80, 1,985,086.20 and 966,731.60

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Solution

The fourth proportional to 1,323,390.80, 1,985,086.20 and 966,731.60 is: 1,450,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,390.80 : 1,985,086.20 = 966,731.60 : x
  2. Step 2: Convert to fraction form
    1,323,390.80/1,985,086.20 = 966,731.60/x
  3. Step 3: Cross multiply
    1,323,390.80x = 1,985,086.20 × 966,731.60
  4. Step 4: Simplify right side
    1,323,390.80x = 1,919,045,558,263.92
  5. Step 5: Solve for x
    x = 1,919,045,558,263.92/1,323,390.80
  6. Step 6: Final answer
    x = 1,450,097.40

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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.