Home / 1,048,206.80-1,572,310.20-782,486.30

Finding the Fourth Proportional to 1,048,206.80, 1,572,310.20 and 782,486.30

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Solution

The fourth proportional to 1,048,206.80, 1,572,310.20 and 782,486.30 is: 1,173,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,206.80 : 1,572,310.20 = 782,486.30 : x
  2. Step 2: Convert to fraction form
    1,048,206.80/1,572,310.20 = 782,486.30/x
  3. Step 3: Cross multiply
    1,048,206.80x = 1,572,310.20 × 782,486.30
  4. Step 4: Simplify right side
    1,048,206.80x = 1,230,311,190,850.26
  5. Step 5: Solve for x
    x = 1,230,311,190,850.26/1,048,206.80
  6. Step 6: Final answer
    x = 1,173,729.45

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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.