Home / 1,032,905.70-1,549,358.55-820,329.30

Finding the Fourth Proportional to 1,032,905.70, 1,549,358.55 and 820,329.30

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Solution

The fourth proportional to 1,032,905.70, 1,549,358.55 and 820,329.30 is: 1,230,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032,905.70 : 1,549,358.55 = 820,329.30 : x
  2. Step 2: Convert to fraction form
    1,032,905.70/1,549,358.55 = 820,329.30/x
  3. Step 3: Cross multiply
    1,032,905.70x = 1,549,358.55 × 820,329.30
  4. Step 4: Simplify right side
    1,032,905.70x = 1,270,984,214,770.52
  5. Step 5: Solve for x
    x = 1,270,984,214,770.52/1,032,905.70
  6. Step 6: Final answer
    x = 1,230,493.95

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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.