Home / 1,304,578.89-1,800,333.63-723,812.67

Finding the Fourth Proportional to 1,304,578.89, 1,800,333.63 and 723,812.67

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Solution

The fourth proportional to 1,304,578.89, 1,800,333.63 and 723,812.67 is: 998,869.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,578.89 : 1,800,333.63 = 723,812.67 : x
  2. Step 2: Convert to fraction form
    1,304,578.89/1,800,333.63 = 723,812.67/x
  3. Step 3: Cross multiply
    1,304,578.89x = 1,800,333.63 × 723,812.67
  4. Step 4: Simplify right side
    1,304,578.89x = 1,303,104,291,621.09
  5. Step 5: Solve for x
    x = 1,303,104,291,621.09/1,304,578.89
  6. Step 6: Final answer
    x = 998,869.67

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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.