Home / 1,335,930.30-2,004,138.45-437,121.90

Finding the Fourth Proportional to 1,335,930.30, 2,004,138.45 and 437,121.90

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Solution

The fourth proportional to 1,335,930.30, 2,004,138.45 and 437,121.90 is: 655,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,930.30 : 2,004,138.45 = 437,121.90 : x
  2. Step 2: Convert to fraction form
    1,335,930.30/2,004,138.45 = 437,121.90/x
  3. Step 3: Cross multiply
    1,335,930.30x = 2,004,138.45 × 437,121.90
  4. Step 4: Simplify right side
    1,335,930.30x = 876,052,807,127.06
  5. Step 5: Solve for x
    x = 876,052,807,127.06/1,335,930.30
  6. Step 6: Final answer
    x = 655,762.36

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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.