Home / 1,008,043.32-1,511,539.98-475,421.34

Finding the Fourth Proportional to 1,008,043.32, 1,511,539.98 and 475,421.34

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Solution

The fourth proportional to 1,008,043.32, 1,511,539.98 and 475,421.34 is: 712,884.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,043.32 : 1,511,539.98 = 475,421.34 : x
  2. Step 2: Convert to fraction form
    1,008,043.32/1,511,539.98 = 475,421.34/x
  3. Step 3: Cross multiply
    1,008,043.32x = 1,511,539.98 × 475,421.34
  4. Step 4: Simplify right side
    1,008,043.32x = 718,618,362,755.17
  5. Step 5: Solve for x
    x = 718,618,362,755.17/1,008,043.32
  6. Step 6: Final answer
    x = 712,884.41

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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.