Home / 923,421.78-1,271,479.77-787,150.26

Finding the Fourth Proportional to 923,421.78, 1,271,479.77 and 787,150.26

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Solution

The fourth proportional to 923,421.78, 1,271,479.77 and 787,150.26 is: 1,083,844.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,421.78 : 1,271,479.77 = 787,150.26 : x
  2. Step 2: Convert to fraction form
    923,421.78/1,271,479.77 = 787,150.26/x
  3. Step 3: Cross multiply
    923,421.78x = 1,271,479.77 × 787,150.26
  4. Step 4: Simplify right side
    923,421.78x = 1,000,845,631,540.24
  5. Step 5: Solve for x
    x = 1,000,845,631,540.24/923,421.78
  6. Step 6: Final answer
    x = 1,083,844.52

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1.5x scale

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.