Home / 923,426.78-1,271,486.66-787,155.26

Finding the Fourth Proportional to 923,426.78, 1,271,486.66 and 787,155.26

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Solution

The fourth proportional to 923,426.78, 1,271,486.66 and 787,155.26 is: 1,083,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,426.78 : 1,271,486.66 = 787,155.26 : x
  2. Step 2: Convert to fraction form
    923,426.78/1,271,486.66 = 787,155.26/x
  3. Step 3: Cross multiply
    923,426.78x = 1,271,486.66 × 787,155.26
  4. Step 4: Simplify right side
    923,426.78x = 1,000,857,412,438.83
  5. Step 5: Solve for x
    x = 1,000,857,412,438.83/923,426.78
  6. Step 6: Final answer
    x = 1,083,851.40

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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.