Home / 1,219,414.95-1,682,769.87-736,000.47

Finding the Fourth Proportional to 1,219,414.95, 1,682,769.87 and 736,000.47

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Solution

The fourth proportional to 1,219,414.95, 1,682,769.87 and 736,000.47 is: 1,015,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,414.95 : 1,682,769.87 = 736,000.47 : x
  2. Step 2: Convert to fraction form
    1,219,414.95/1,682,769.87 = 736,000.47/x
  3. Step 3: Cross multiply
    1,219,414.95x = 1,682,769.87 × 736,000.47
  4. Step 4: Simplify right side
    1,219,414.95x = 1,238,519,415,221.84
  5. Step 5: Solve for x
    x = 1,238,519,415,221.84/1,219,414.95
  6. Step 6: Final answer
    x = 1,015,666.91

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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.