Home / 1,273,978.08-1,758,162.49-730,204.45

Finding the Fourth Proportional to 1,273,978.08, 1,758,162.49 and 730,204.45

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Solution

The fourth proportional to 1,273,978.08, 1,758,162.49 and 730,204.45 is: 1,007,723.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,978.08 : 1,758,162.49 = 730,204.45 : x
  2. Step 2: Convert to fraction form
    1,273,978.08/1,758,162.49 = 730,204.45/x
  3. Step 3: Cross multiply
    1,273,978.08x = 1,758,162.49 × 730,204.45
  4. Step 4: Simplify right side
    1,273,978.08x = 1,283,818,065,230.27
  5. Step 5: Solve for x
    x = 1,283,818,065,230.27/1,273,978.08
  6. Step 6: Final answer
    x = 1,007,723.83

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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.