Home / 1,427,877.86-2,142,377.52-628,598.62

Finding the Fourth Proportional to 1,427,877.86, 2,142,377.52 and 628,598.62

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Solution

The fourth proportional to 1,427,877.86, 2,142,377.52 and 628,598.62 is: 943,144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,877.86 : 2,142,377.52 = 628,598.62 : x
  2. Step 2: Convert to fraction form
    1,427,877.86/2,142,377.52 = 628,598.62/x
  3. Step 3: Cross multiply
    1,427,877.86x = 2,142,377.52 × 628,598.62
  4. Step 4: Simplify right side
    1,427,877.86x = 1,346,695,538,736.14
  5. Step 5: Solve for x
    x = 1,346,695,538,736.14/1,427,877.86
  6. Step 6: Final answer
    x = 943,144.77

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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.