Home / 1,202,631.84-1,803,884.40-403,929.72

Finding the Fourth Proportional to 1,202,631.84, 1,803,884.40 and 403,929.72

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Solution

The fourth proportional to 1,202,631.84, 1,803,884.40 and 403,929.72 is: 605,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,631.84 : 1,803,884.40 = 403,929.72 : x
  2. Step 2: Convert to fraction form
    1,202,631.84/1,803,884.40 = 403,929.72/x
  3. Step 3: Cross multiply
    1,202,631.84x = 1,803,884.40 × 403,929.72
  4. Step 4: Simplify right side
    1,202,631.84x = 728,642,520,604.37
  5. Step 5: Solve for x
    x = 728,642,520,604.37/1,202,631.84
  6. Step 6: Final answer
    x = 605,873.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.