Home / 1,330,893.70-1,996,340.55-905,740.90

Finding the Fourth Proportional to 1,330,893.70, 1,996,340.55 and 905,740.90

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Solution

The fourth proportional to 1,330,893.70, 1,996,340.55 and 905,740.90 is: 1,358,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,893.70 : 1,996,340.55 = 905,740.90 : x
  2. Step 2: Convert to fraction form
    1,330,893.70/1,996,340.55 = 905,740.90/x
  3. Step 3: Cross multiply
    1,330,893.70x = 1,996,340.55 × 905,740.90
  4. Step 4: Simplify right side
    1,330,893.70x = 1,808,167,286,463.50
  5. Step 5: Solve for x
    x = 1,808,167,286,463.50/1,330,893.70
  6. Step 6: Final answer
    x = 1,358,611.35

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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.