Home / 1,760,160.80-2,640,241.20-430,464.80

Finding the Fourth Proportional to 1,760,160.80, 2,640,241.20 and 430,464.80

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Solution

The fourth proportional to 1,760,160.80, 2,640,241.20 and 430,464.80 is: 645,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,160.80 : 2,640,241.20 = 430,464.80 : x
  2. Step 2: Convert to fraction form
    1,760,160.80/2,640,241.20 = 430,464.80/x
  3. Step 3: Cross multiply
    1,760,160.80x = 2,640,241.20 × 430,464.80
  4. Step 4: Simplify right side
    1,760,160.80x = 1,136,530,900,109.76
  5. Step 5: Solve for x
    x = 1,136,530,900,109.76/1,760,160.80
  6. Step 6: Final answer
    x = 645,697.20

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1.5x scale

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.