Home / 1,598,668.32-2,399,709.57-688,301.64

Finding the Fourth Proportional to 1,598,668.32, 2,399,709.57 and 688,301.64

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Solution

The fourth proportional to 1,598,668.32, 2,399,709.57 and 688,301.64 is: 1,033,187.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598,668.32 : 2,399,709.57 = 688,301.64 : x
  2. Step 2: Convert to fraction form
    1,598,668.32/2,399,709.57 = 688,301.64/x
  3. Step 3: Cross multiply
    1,598,668.32x = 2,399,709.57 × 688,301.64
  4. Step 4: Simplify right side
    1,598,668.32x = 1,651,724,032,554.69
  5. Step 5: Solve for x
    x = 1,651,724,032,554.69/1,598,668.32
  6. Step 6: Final answer
    x = 1,033,187.44

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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.