Home / 1,960,815.12-2,938,679.72-880,530

Finding the Fourth Proportional to 1,960,815.12, 2,938,679.72 and 880,530

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Solution

The fourth proportional to 1,960,815.12, 2,938,679.72 and 880,530 is: 1,319,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,815.12 : 2,938,679.72 = 880,530 : x
  2. Step 2: Convert to fraction form
    1,960,815.12/2,938,679.72 = 880,530/x
  3. Step 3: Cross multiply
    1,960,815.12x = 2,938,679.72 × 880,530
  4. Step 4: Simplify right side
    1,960,815.12x = 2,587,595,653,851.60
  5. Step 5: Solve for x
    x = 2,587,595,653,851.60/1,960,815.12
  6. Step 6: Final answer
    x = 1,319,653.05

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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.