Home / 1,431,340.93-1,975,223.91-786,747.34

Finding the Fourth Proportional to 1,431,340.93, 1,975,223.91 and 786,747.34

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Solution

The fourth proportional to 1,431,340.93, 1,975,223.91 and 786,747.34 is: 1,085,696.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,340.93 : 1,975,223.91 = 786,747.34 : x
  2. Step 2: Convert to fraction form
    1,431,340.93/1,975,223.91 = 786,747.34/x
  3. Step 3: Cross multiply
    1,431,340.93x = 1,975,223.91 × 786,747.34
  4. Step 4: Simplify right side
    1,431,340.93x = 1,554,002,157,096.90
  5. Step 5: Solve for x
    x = 1,554,002,157,096.90/1,431,340.93
  6. Step 6: Final answer
    x = 1,085,696.72

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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.