Home / 1,047,247.56-1,570,839.94-289,135.30

Finding the Fourth Proportional to 1,047,247.56, 1,570,839.94 and 289,135.30

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Solution

The fourth proportional to 1,047,247.56, 1,570,839.94 and 289,135.30 is: 433,694.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,247.56 : 1,570,839.94 = 289,135.30 : x
  2. Step 2: Convert to fraction form
    1,047,247.56/1,570,839.94 = 289,135.30/x
  3. Step 3: Cross multiply
    1,047,247.56x = 1,570,839.94 × 289,135.30
  4. Step 4: Simplify right side
    1,047,247.56x = 454,185,277,303.88
  5. Step 5: Solve for x
    x = 454,185,277,303.88/1,047,247.56
  6. Step 6: Final answer
    x = 433,694.28

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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.