Home / 1,431,315.01-1,975,219.73-786,791.17

Finding the Fourth Proportional to 1,431,315.01, 1,975,219.73 and 786,791.17

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Solution

The fourth proportional to 1,431,315.01, 1,975,219.73 and 786,791.17 is: 1,085,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,315.01 : 1,975,219.73 = 786,791.17 : x
  2. Step 2: Convert to fraction form
    1,431,315.01/1,975,219.73 = 786,791.17/x
  3. Step 3: Cross multiply
    1,431,315.01x = 1,975,219.73 × 786,791.17
  4. Step 4: Simplify right side
    1,431,315.01x = 1,554,085,442,373.78
  5. Step 5: Solve for x
    x = 1,554,085,442,373.78/1,431,315.01
  6. Step 6: Final answer
    x = 1,085,774.57

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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.