Home / 1,427,129-2,141,008.30-416,330

Finding the Fourth Proportional to 1,427,129, 2,141,008.30 and 416,330

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Solution

The fourth proportional to 1,427,129, 2,141,008.30 and 416,330 is: 624,586.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,129 : 2,141,008.30 = 416,330 : x
  2. Step 2: Convert to fraction form
    1,427,129/2,141,008.30 = 416,330/x
  3. Step 3: Cross multiply
    1,427,129x = 2,141,008.30 × 416,330
  4. Step 4: Simplify right side
    1,427,129x = 891,365,985,539.00
  5. Step 5: Solve for x
    x = 891,365,985,539.00/1,427,129
  6. Step 6: Final answer
    x = 624,586.84

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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.