Home / 1,318,269.51-1,819,226.26-774,428.22

Finding the Fourth Proportional to 1,318,269.51, 1,819,226.26 and 774,428.22

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Solution

The fourth proportional to 1,318,269.51, 1,819,226.26 and 774,428.22 is: 1,068,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,269.51 : 1,819,226.26 = 774,428.22 : x
  2. Step 2: Convert to fraction form
    1,318,269.51/1,819,226.26 = 774,428.22/x
  3. Step 3: Cross multiply
    1,318,269.51x = 1,819,226.26 × 774,428.22
  4. Step 4: Simplify right side
    1,318,269.51x = 1,408,860,152,372.99
  5. Step 5: Solve for x
    x = 1,408,860,152,372.99/1,318,269.51
  6. Step 6: Final answer
    x = 1,068,719.36

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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.