Home / 1,026,926.40-1,540,652.80-427,688.32

Finding the Fourth Proportional to 1,026,926.40, 1,540,652.80 and 427,688.32

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Solution

The fourth proportional to 1,026,926.40, 1,540,652.80 and 427,688.32 is: 641,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,926.40 : 1,540,652.80 = 427,688.32 : x
  2. Step 2: Convert to fraction form
    1,026,926.40/1,540,652.80 = 427,688.32/x
  3. Step 3: Cross multiply
    1,026,926.40x = 1,540,652.80 × 427,688.32
  4. Step 4: Simplify right side
    1,026,926.40x = 658,919,207,735.30
  5. Step 5: Solve for x
    x = 658,919,207,735.30/1,026,926.40
  6. Step 6: Final answer
    x = 641,642.10

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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.