Home / 1,775,200.70-2,662,801.05-513,155.90

Finding the Fourth Proportional to 1,775,200.70, 2,662,801.05 and 513,155.90

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Solution

The fourth proportional to 1,775,200.70, 2,662,801.05 and 513,155.90 is: 769,733.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,200.70 : 2,662,801.05 = 513,155.90 : x
  2. Step 2: Convert to fraction form
    1,775,200.70/2,662,801.05 = 513,155.90/x
  3. Step 3: Cross multiply
    1,775,200.70x = 2,662,801.05 × 513,155.90
  4. Step 4: Simplify right side
    1,775,200.70x = 1,366,432,069,333.70
  5. Step 5: Solve for x
    x = 1,366,432,069,333.70/1,775,200.70
  6. Step 6: Final answer
    x = 769,733.85

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Double scale
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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.