Home / 1,367,534.32-1,887,187.08-755,728.36

Finding the Fourth Proportional to 1,367,534.32, 1,887,187.08 and 755,728.36

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Solution

The fourth proportional to 1,367,534.32, 1,887,187.08 and 755,728.36 is: 1,042,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,534.32 : 1,887,187.08 = 755,728.36 : x
  2. Step 2: Convert to fraction form
    1,367,534.32/1,887,187.08 = 755,728.36/x
  3. Step 3: Cross multiply
    1,367,534.32x = 1,887,187.08 × 755,728.36
  4. Step 4: Simplify right side
    1,367,534.32x = 1,426,200,796,981.59
  5. Step 5: Solve for x
    x = 1,426,200,796,981.59/1,367,534.32
  6. Step 6: Final answer
    x = 1,042,899.45

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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.