Home / 1,218,559.70-1,681,082.98-734,856.05

Finding the Fourth Proportional to 1,218,559.70, 1,681,082.98 and 734,856.05

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Solution

The fourth proportional to 1,218,559.70, 1,681,082.98 and 734,856.05 is: 1,013,782.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,559.70 : 1,681,082.98 = 734,856.05 : x
  2. Step 2: Convert to fraction form
    1,218,559.70/1,681,082.98 = 734,856.05/x
  3. Step 3: Cross multiply
    1,218,559.70x = 1,681,082.98 × 734,856.05
  4. Step 4: Simplify right side
    1,218,559.70x = 1,235,354,000,770.60
  5. Step 5: Solve for x
    x = 1,235,354,000,770.60/1,218,559.70
  6. Step 6: Final answer
    x = 1,013,782.09

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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.