Home / 1,007,483.22-1,391,250.38-640,079.03

Finding the Fourth Proportional to 1,007,483.22, 1,391,250.38 and 640,079.03

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Solution

The fourth proportional to 1,007,483.22, 1,391,250.38 and 640,079.03 is: 883,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,483.22 : 1,391,250.38 = 640,079.03 : x
  2. Step 2: Convert to fraction form
    1,007,483.22/1,391,250.38 = 640,079.03/x
  3. Step 3: Cross multiply
    1,007,483.22x = 1,391,250.38 × 640,079.03
  4. Step 4: Simplify right side
    1,007,483.22x = 890,510,183,560.88
  5. Step 5: Solve for x
    x = 890,510,183,560.88/1,007,483.22
  6. Step 6: Final answer
    x = 883,895.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.