Home / 1,145,795.16-1,718,780.24-347,142.88

Finding the Fourth Proportional to 1,145,795.16, 1,718,780.24 and 347,142.88

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Solution

The fourth proportional to 1,145,795.16, 1,718,780.24 and 347,142.88 is: 520,740.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,795.16 : 1,718,780.24 = 347,142.88 : x
  2. Step 2: Convert to fraction form
    1,145,795.16/1,718,780.24 = 347,142.88/x
  3. Step 3: Cross multiply
    1,145,795.16x = 1,718,780.24 × 347,142.88
  4. Step 4: Simplify right side
    1,145,795.16x = 596,662,322,600.69
  5. Step 5: Solve for x
    x = 596,662,322,600.69/1,145,795.16
  6. Step 6: Final answer
    x = 520,740.83

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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.