Home / 1,351,430.16-1,864,896.36-747,782.16

Finding the Fourth Proportional to 1,351,430.16, 1,864,896.36 and 747,782.16

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Solution

The fourth proportional to 1,351,430.16, 1,864,896.36 and 747,782.16 is: 1,031,896.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,430.16 : 1,864,896.36 = 747,782.16 : x
  2. Step 2: Convert to fraction form
    1,351,430.16/1,864,896.36 = 747,782.16/x
  3. Step 3: Cross multiply
    1,351,430.16x = 1,864,896.36 × 747,782.16
  4. Step 4: Simplify right side
    1,351,430.16x = 1,394,536,228,256.94
  5. Step 5: Solve for x
    x = 1,394,536,228,256.94/1,351,430.16
  6. Step 6: Final answer
    x = 1,031,896.63

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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.