Home / 1,318,271.66-1,819,229.24-774,430.37

Finding the Fourth Proportional to 1,318,271.66, 1,819,229.24 and 774,430.37

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Solution

The fourth proportional to 1,318,271.66, 1,819,229.24 and 774,430.37 is: 1,068,722.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,271.66 : 1,819,229.24 = 774,430.37 : x
  2. Step 2: Convert to fraction form
    1,318,271.66/1,819,229.24 = 774,430.37/x
  3. Step 3: Cross multiply
    1,318,271.66x = 1,819,229.24 × 774,430.37
  4. Step 4: Simplify right side
    1,318,271.66x = 1,408,866,374,123.94
  5. Step 5: Solve for x
    x = 1,408,866,374,123.94/1,318,271.66
  6. Step 6: Final answer
    x = 1,068,722.34

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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.