Home / 1,311,788.93-1,810,362.76-731,051.12

Finding the Fourth Proportional to 1,311,788.93, 1,810,362.76 and 731,051.12

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Solution

The fourth proportional to 1,311,788.93, 1,810,362.76 and 731,051.12 is: 1,008,902.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,788.93 : 1,810,362.76 = 731,051.12 : x
  2. Step 2: Convert to fraction form
    1,311,788.93/1,810,362.76 = 731,051.12/x
  3. Step 3: Cross multiply
    1,311,788.93x = 1,810,362.76 × 731,051.12
  4. Step 4: Simplify right side
    1,311,788.93x = 1,323,467,726,002.57
  5. Step 5: Solve for x
    x = 1,323,467,726,002.57/1,311,788.93
  6. Step 6: Final answer
    x = 1,008,902.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.