Home / 1,127,889.16-1,691,157.69-359,054.78

Finding the Fourth Proportional to 1,127,889.16, 1,691,157.69 and 359,054.78

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Solution

The fourth proportional to 1,127,889.16, 1,691,157.69 and 359,054.78 is: 538,366.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,889.16 : 1,691,157.69 = 359,054.78 : x
  2. Step 2: Convert to fraction form
    1,127,889.16/1,691,157.69 = 359,054.78/x
  3. Step 3: Cross multiply
    1,127,889.16x = 1,691,157.69 × 359,054.78
  4. Step 4: Simplify right side
    1,127,889.16x = 607,218,243,872.47
  5. Step 5: Solve for x
    x = 607,218,243,872.47/1,127,889.16
  6. Step 6: Final answer
    x = 538,366.95

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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.