Home / 1,338,110.72-2,007,559.84-538,980.88

Finding the Fourth Proportional to 1,338,110.72, 2,007,559.84 and 538,980.88

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Solution

The fourth proportional to 1,338,110.72, 2,007,559.84 and 538,980.88 is: 808,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,110.72 : 2,007,559.84 = 538,980.88 : x
  2. Step 2: Convert to fraction form
    1,338,110.72/2,007,559.84 = 538,980.88/x
  3. Step 3: Cross multiply
    1,338,110.72x = 2,007,559.84 × 538,980.88
  4. Step 4: Simplify right side
    1,338,110.72x = 1,082,036,369,215.86
  5. Step 5: Solve for x
    x = 1,082,036,369,215.86/1,338,110.72
  6. Step 6: Final answer
    x = 808,629.92

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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.