Home / 1,687,689.60-2,329,007.76-923,736.48

Finding the Fourth Proportional to 1,687,689.60, 2,329,007.76 and 923,736.48

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Solution

The fourth proportional to 1,687,689.60, 2,329,007.76 and 923,736.48 is: 1,274,754.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,689.60 : 2,329,007.76 = 923,736.48 : x
  2. Step 2: Convert to fraction form
    1,687,689.60/2,329,007.76 = 923,736.48/x
  3. Step 3: Cross multiply
    1,687,689.60x = 2,329,007.76 × 923,736.48
  4. Step 4: Simplify right side
    1,687,689.60x = 2,151,389,430,115.08
  5. Step 5: Solve for x
    x = 2,151,389,430,115.08/1,687,689.60
  6. Step 6: Final answer
    x = 1,274,754.21

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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.