Home / 1,379,388.48-2,069,276.85-480,701.04

Finding the Fourth Proportional to 1,379,388.48, 2,069,276.85 and 480,701.04

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Solution

The fourth proportional to 1,379,388.48, 2,069,276.85 and 480,701.04 is: 721,119.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,388.48 : 2,069,276.85 = 480,701.04 : x
  2. Step 2: Convert to fraction form
    1,379,388.48/2,069,276.85 = 480,701.04/x
  3. Step 3: Cross multiply
    1,379,388.48x = 2,069,276.85 × 480,701.04
  4. Step 4: Simplify right side
    1,379,388.48x = 994,703,533,842.92
  5. Step 5: Solve for x
    x = 994,703,533,842.92/1,379,388.48
  6. Step 6: Final answer
    x = 721,119.21

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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.