Home / 923,402.43-1,387,205.51-668,022.71

Finding the Fourth Proportional to 923,402.43, 1,387,205.51 and 668,022.71

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Solution

The fourth proportional to 923,402.43, 1,387,205.51 and 668,022.71 is: 1,003,554.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,402.43 : 1,387,205.51 = 668,022.71 : x
  2. Step 2: Convert to fraction form
    923,402.43/1,387,205.51 = 668,022.71/x
  3. Step 3: Cross multiply
    923,402.43x = 1,387,205.51 × 668,022.71
  4. Step 4: Simplify right side
    923,402.43x = 926,684,773,840.99
  5. Step 5: Solve for x
    x = 926,684,773,840.99/923,402.43
  6. Step 6: Final answer
    x = 1,003,554.62

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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.