Home / 1,218,271.11-1,681,227.43-674,415.98

Finding the Fourth Proportional to 1,218,271.11, 1,681,227.43 and 674,415.98

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Solution

The fourth proportional to 1,218,271.11, 1,681,227.43 and 674,415.98 is: 930,701.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,271.11 : 1,681,227.43 = 674,415.98 : x
  2. Step 2: Convert to fraction form
    1,218,271.11/1,681,227.43 = 674,415.98/x
  3. Step 3: Cross multiply
    1,218,271.11x = 1,681,227.43 × 674,415.98
  4. Step 4: Simplify right side
    1,218,271.11x = 1,133,846,641,018.76
  5. Step 5: Solve for x
    x = 1,133,846,641,018.76/1,218,271.11
  6. Step 6: Final answer
    x = 930,701.41

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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.