Home / 1,760,328.80-2,640,493.20-430,632.80

Finding the Fourth Proportional to 1,760,328.80, 2,640,493.20 and 430,632.80

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Solution

The fourth proportional to 1,760,328.80, 2,640,493.20 and 430,632.80 is: 645,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,328.80 : 2,640,493.20 = 430,632.80 : x
  2. Step 2: Convert to fraction form
    1,760,328.80/2,640,493.20 = 430,632.80/x
  3. Step 3: Cross multiply
    1,760,328.80x = 2,640,493.20 × 430,632.80
  4. Step 4: Simplify right side
    1,760,328.80x = 1,137,082,980,096.96
  5. Step 5: Solve for x
    x = 1,137,082,980,096.96/1,760,328.80
  6. Step 6: Final answer
    x = 645,949.20

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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.