Home / 1,318,322.62-1,819,334.20-745,328.62

Finding the Fourth Proportional to 1,318,322.62, 1,819,334.20 and 745,328.62

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Solution

The fourth proportional to 1,318,322.62, 1,819,334.20 and 745,328.62 is: 1,028,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,322.62 : 1,819,334.20 = 745,328.62 : x
  2. Step 2: Convert to fraction form
    1,318,322.62/1,819,334.20 = 745,328.62/x
  3. Step 3: Cross multiply
    1,318,322.62x = 1,819,334.20 × 745,328.62
  4. Step 4: Simplify right side
    1,318,322.62x = 1,356,001,839,508.13
  5. Step 5: Solve for x
    x = 1,356,001,839,508.13/1,318,322.62
  6. Step 6: Final answer
    x = 1,028,581.19

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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.