Home / 1,493,103.76-2,238,605.56-693,536.40

Finding the Fourth Proportional to 1,493,103.76, 2,238,605.56 and 693,536.40

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Solution

The fourth proportional to 1,493,103.76, 2,238,605.56 and 693,536.40 is: 1,039,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,103.76 : 2,238,605.56 = 693,536.40 : x
  2. Step 2: Convert to fraction form
    1,493,103.76/2,238,605.56 = 693,536.40/x
  3. Step 3: Cross multiply
    1,493,103.76x = 2,238,605.56 × 693,536.40
  4. Step 4: Simplify right side
    1,493,103.76x = 1,552,554,441,102.38
  5. Step 5: Solve for x
    x = 1,552,554,441,102.38/1,493,103.76
  6. Step 6: Final answer
    x = 1,039,816.85

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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.