Home / 1,382,247.96-2,071,994.12-661,259.67

Finding the Fourth Proportional to 1,382,247.96, 2,071,994.12 and 661,259.67

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Solution

The fourth proportional to 1,382,247.96, 2,071,994.12 and 661,259.67 is: 991,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,247.96 : 2,071,994.12 = 661,259.67 : x
  2. Step 2: Convert to fraction form
    1,382,247.96/2,071,994.12 = 661,259.67/x
  3. Step 3: Cross multiply
    1,382,247.96x = 2,071,994.12 × 661,259.67
  4. Step 4: Simplify right side
    1,382,247.96x = 1,370,126,139,436.59
  5. Step 5: Solve for x
    x = 1,370,126,139,436.59/1,382,247.96
  6. Step 6: Final answer
    x = 991,230.36

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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.