Home / 1,367,954.32-1,887,782.91-747,772.15

Finding the Fourth Proportional to 1,367,954.32, 1,887,782.91 and 747,772.15

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Solution

The fourth proportional to 1,367,954.32, 1,887,782.91 and 747,772.15 is: 1,031,928.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,954.32 : 1,887,782.91 = 747,772.15 : x
  2. Step 2: Convert to fraction form
    1,367,954.32/1,887,782.91 = 747,772.15/x
  3. Step 3: Cross multiply
    1,367,954.32x = 1,887,782.91 × 747,772.15
  4. Step 4: Simplify right side
    1,367,954.32x = 1,411,631,485,343.96
  5. Step 5: Solve for x
    x = 1,411,631,485,343.96/1,367,954.32
  6. Step 6: Final answer
    x = 1,031,928.82

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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.