Home / 1,318,078.20-1,975,562.10-985,265.40

Finding the Fourth Proportional to 1,318,078.20, 1,975,562.10 and 985,265.40

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Solution

The fourth proportional to 1,318,078.20, 1,975,562.10 and 985,265.40 is: 1,476,735.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,078.20 : 1,975,562.10 = 985,265.40 : x
  2. Step 2: Convert to fraction form
    1,318,078.20/1,975,562.10 = 985,265.40/x
  3. Step 3: Cross multiply
    1,318,078.20x = 1,975,562.10 × 985,265.40
  4. Step 4: Simplify right side
    1,318,078.20x = 1,946,452,982,681.34
  5. Step 5: Solve for x
    x = 1,946,452,982,681.34/1,318,078.20
  6. Step 6: Final answer
    x = 1,476,735.59

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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.