Home / 1,010,408.10-1,511,238.15-904,557.30

Finding the Fourth Proportional to 1,010,408.10, 1,511,238.15 and 904,557.30

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Solution

The fourth proportional to 1,010,408.10, 1,511,238.15 and 904,557.30 is: 1,352,920.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,408.10 : 1,511,238.15 = 904,557.30 : x
  2. Step 2: Convert to fraction form
    1,010,408.10/1,511,238.15 = 904,557.30/x
  3. Step 3: Cross multiply
    1,010,408.10x = 1,511,238.15 × 904,557.30
  4. Step 4: Simplify right side
    1,010,408.10x = 1,367,001,500,620.99
  5. Step 5: Solve for x
    x = 1,367,001,500,620.99/1,010,408.10
  6. Step 6: Final answer
    x = 1,352,920.17

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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.