Home / 1,676,540.40-2,514,616.20-478,647.60

Finding the Fourth Proportional to 1,676,540.40, 2,514,616.20 and 478,647.60

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Solution

The fourth proportional to 1,676,540.40, 2,514,616.20 and 478,647.60 is: 717,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,540.40 : 2,514,616.20 = 478,647.60 : x
  2. Step 2: Convert to fraction form
    1,676,540.40/2,514,616.20 = 478,647.60/x
  3. Step 3: Cross multiply
    1,676,540.40x = 2,514,616.20 × 478,647.60
  4. Step 4: Simplify right side
    1,676,540.40x = 1,203,615,009,051.12
  5. Step 5: Solve for x
    x = 1,203,615,009,051.12/1,676,540.40
  6. Step 6: Final answer
    x = 717,915.90

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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.