Home / 749,026.60-1,123,539.90-646,383.40

Finding the Fourth Proportional to 749,026.60, 1,123,539.90 and 646,383.40

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Solution

The fourth proportional to 749,026.60, 1,123,539.90 and 646,383.40 is: 969,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,026.60 : 1,123,539.90 = 646,383.40 : x
  2. Step 2: Convert to fraction form
    749,026.60/1,123,539.90 = 646,383.40/x
  3. Step 3: Cross multiply
    749,026.60x = 1,123,539.90 × 646,383.40
  4. Step 4: Simplify right side
    749,026.60x = 726,237,540,597.66
  5. Step 5: Solve for x
    x = 726,237,540,597.66/749,026.60
  6. Step 6: Final answer
    x = 969,575.10

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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.