Home / 1,505,318.30-2,079,063.34-991,369.66

Finding the Fourth Proportional to 1,505,318.30, 2,079,063.34 and 991,369.66

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Solution

The fourth proportional to 1,505,318.30, 2,079,063.34 and 991,369.66 is: 1,369,225.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,318.30 : 2,079,063.34 = 991,369.66 : x
  2. Step 2: Convert to fraction form
    1,505,318.30/2,079,063.34 = 991,369.66/x
  3. Step 3: Cross multiply
    1,505,318.30x = 2,079,063.34 × 991,369.66
  4. Step 4: Simplify right side
    1,505,318.30x = 2,061,120,316,494.26
  5. Step 5: Solve for x
    x = 2,061,120,316,494.26/1,505,318.30
  6. Step 6: Final answer
    x = 1,369,225.58

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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.