Home / 1,048,207.80-1,572,311.70-782,487.30

Finding the Fourth Proportional to 1,048,207.80, 1,572,311.70 and 782,487.30

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Solution

The fourth proportional to 1,048,207.80, 1,572,311.70 and 782,487.30 is: 1,173,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,207.80 : 1,572,311.70 = 782,487.30 : x
  2. Step 2: Convert to fraction form
    1,048,207.80/1,572,311.70 = 782,487.30/x
  3. Step 3: Cross multiply
    1,048,207.80x = 1,572,311.70 × 782,487.30
  4. Step 4: Simplify right side
    1,048,207.80x = 1,230,313,936,891.41
  5. Step 5: Solve for x
    x = 1,230,313,936,891.41/1,048,207.80
  6. Step 6: Final answer
    x = 1,173,730.95

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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.