Home / 1,351,028.16-1,864,334.88-747,416.16

Finding the Fourth Proportional to 1,351,028.16, 1,864,334.88 and 747,416.16

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Solution

The fourth proportional to 1,351,028.16, 1,864,334.88 and 747,416.16 is: 1,031,387.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,028.16 : 1,864,334.88 = 747,416.16 : x
  2. Step 2: Convert to fraction form
    1,351,028.16/1,864,334.88 = 747,416.16/x
  3. Step 3: Cross multiply
    1,351,028.16x = 1,864,334.88 × 747,416.16
  4. Step 4: Simplify right side
    1,351,028.16x = 1,393,434,016,963.66
  5. Step 5: Solve for x
    x = 1,393,434,016,963.66/1,351,028.16
  6. Step 6: Final answer
    x = 1,031,387.84

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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.