Home / 1,145,158.89-1,717,828.42-303,710.64

Finding the Fourth Proportional to 1,145,158.89, 1,717,828.42 and 303,710.64

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Solution

The fourth proportional to 1,145,158.89, 1,717,828.42 and 303,710.64 is: 455,589.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,158.89 : 1,717,828.42 = 303,710.64 : x
  2. Step 2: Convert to fraction form
    1,145,158.89/1,717,828.42 = 303,710.64/x
  3. Step 3: Cross multiply
    1,145,158.89x = 1,717,828.42 × 303,710.64
  4. Step 4: Simplify right side
    1,145,158.89x = 521,722,762,216.71
  5. Step 5: Solve for x
    x = 521,722,762,216.71/1,145,158.89
  6. Step 6: Final answer
    x = 455,589.85

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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.