Home / 1,505,315.76-2,077,301.07-816,988.83

Finding the Fourth Proportional to 1,505,315.76, 2,077,301.07 and 816,988.83

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Solution

The fourth proportional to 1,505,315.76, 2,077,301.07 and 816,988.83 is: 1,127,425.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,315.76 : 2,077,301.07 = 816,988.83 : x
  2. Step 2: Convert to fraction form
    1,505,315.76/2,077,301.07 = 816,988.83/x
  3. Step 3: Cross multiply
    1,505,315.76x = 2,077,301.07 × 816,988.83
  4. Step 4: Simplify right side
    1,505,315.76x = 1,697,131,770,737.05
  5. Step 5: Solve for x
    x = 1,697,131,770,737.05/1,505,315.76
  6. Step 6: Final answer
    x = 1,127,425.76

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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.