Home / 1,103,640.16-1,523,017.20-673,860.64

Finding the Fourth Proportional to 1,103,640.16, 1,523,017.20 and 673,860.64

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Solution

The fourth proportional to 1,103,640.16, 1,523,017.20 and 673,860.64 is: 929,923.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,640.16 : 1,523,017.20 = 673,860.64 : x
  2. Step 2: Convert to fraction form
    1,103,640.16/1,523,017.20 = 673,860.64/x
  3. Step 3: Cross multiply
    1,103,640.16x = 1,523,017.20 × 673,860.64
  4. Step 4: Simplify right side
    1,103,640.16x = 1,026,301,345,123.01
  5. Step 5: Solve for x
    x = 1,026,301,345,123.01/1,103,640.16
  6. Step 6: Final answer
    x = 929,923.88

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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.